Thermal underwear for sports. Thermal underwear for active physical activity: selection rules

  1. You will add strength, tone, motor skills to the muscles
  2. Get rid of sweating
  3. Experience true bodily comfort
  4. Protect yourself from hypothermia, overheating, fatigue
  5. Give a special piquancy to a strong figure. The microporous fabric is almost weightless, but is supplied with fibers that support muscles and other male forms mighty.

Buying thermal underwear for sports means synthesizing a bright individuality and physical perfection inherent in strong personalities.

Perfection is either there or it isn't. The presence in a person of a McDavid thermal mask, a thermal shirt with underpants, - however, like everything unusual, is immediately evident:

  • Your body in thermal underwear looks slim, fit
  • Such energetic people are loved, imitated
  • The beneficial effect of heat on the body is obvious

Warmed up and active, you will be remembered by others, showing an excellent physical condition!

How thermal underwear helps in the gym

Modern thermal underwear for sports is so comfortable that it is unlikely to yield to wadded pants and padded jackets. In the training room, thermal shirts, caps and thermal pants are more functional than ever. The use of durable nanofabric in thermal underwear significantly increases its wear time. It breathes, conducts perspiration, but literally repels the cold.

First of all, let's reveal the secret. The athlete is "dead" without heated muscles. The possibilities of the inflamed body are deep and bottomless. The body generates heat, clothes protect it. But primary is still underwear, its unique fabric, its unique cut.

Thermal underwear is one of the main elements in clothing for sports and outdoor activities, designed to control your heat transfer. How well thermal underwear is chosen largely determines how comfortable you will be during sports, and hence what results you can achieve.

Together with an AlpIndustry expert Yura Serebryakov Let's figure out how to choose thermal underwear that suits your conditions.

The principle of layering in clothing

In clothing for sports and outdoor activities, it is customary to adhere to the principle of layering, or, in other words, the concept of three layers. Thermal underwear is the first, base layer and is designed to control heat transfer. Thermal underwear should fit snugly to the body (it is often called a second skin) to ensure proper thermoregulation, but at the same time not squeeze muscles or restrict movement. Thermal underwear is followed by a second, middle layer of clothing designed to keep warm, for example, a fleece or a down sweater. Then comes the third, outer layer, which also brings out excess moisture, allows the body to breathe under clothing and protects from external influences, precipitation and wind. For example, a jacket with a Gore-Tex membrane.

In order for the equipment to work correctly and create comfortable conditions, and not cause inconvenience, you must carefully choose each layer and clearly understand for what tasks and conditions you choose clothes. Let's start by choosing a base.

What is thermal underwear and what is it for?

The main function of thermal underwear is to control heat transfer by removing moisture. When you sweat during intense movement, thermal underwear does not accumulate sweat in itself, but removes excess moisture from the body and prevents you from “cooking” under your clothes. If you find yourself in cold conditions and / or do not move actively, thermal underwear helps to keep you warm. It is this functionality that distinguishes specially designed thermal underwear from ordinary cotton and synthetic clothing.

For the manufacture of thermal underwear, technological synthetic fibers, high-quality soft wool, most often merino wool, or a combination of these materials are used. The cut of thermal underwear often involves a combination of materials with different composition, density and properties (ventilation, insulation, muscle support) in different areas.

Composition: thermal underwear made of wool, synthetics and combined materials

Wool, in general, has better thermal insulation properties than synthetics, but absorbs moisture more actively. With intense loads (running, freeride), this will become a noticeable disadvantage: a person sweats a lot, thermal underwear absorbs a large number of moisture that does not have time to be brought out and lingers in clothes - a person begins to “cook” and experience discomfort. Therefore, for intense loads, it is preferable to choose synthetic thermal underwear that will properly remove moisture and control heat transfer, preventing overheating and hypothermia. If you are going to have less intense activities, passive rest, being in very low temperatures, you are looking for thermal underwear for the city or you get cold quickly, give preference to a base layer made of wool, with its good thermal insulation properties.

Please note that in some cases, wool thermal underwear can cause irritation, especially on sensitive baby skin. Therefore, we recommend that adults try on clothes before buying, and for children, choose synthetic models.

Men's, women's and children's thermal underwear

In general, women's and men's thermal underwear does not have big differences from each other. The cut of specialized female models takes into account the peculiarities of the female figure and, since girls usually freeze more, it has more insulated zones.

For the manufacture of children's thermal underwear, synthetics are more often used, because wool can cause discomfort. sensitive skin child. As a rule, the main task of children's thermal underwear is not to remove moisture, but to keep warm, so it is usually denser than "adult" models.

In general, models of thermal underwear differ from each other in composition, the presence of compression properties, the recommended temperature regime and design features. When choosing, you should be guided by several points:

  1. Intensity of exercise / high, medium or low activity
  2. Temperature Range
  3. Your individual cold tolerance

Temperature range of thermal underwear

As a rule, manufacturers indicate the recommended temperature regime and preferred activities in the product title or description. For example, the Swiss brand Odlo divides its thermal underwear models into several lines:

  • The ultra-light thermal underwear of the Cool line is designed for the hottest weather.
  • Models marked Light are designed for summer sports, they are light clothes made of thin fabric, the main task of which is to remove moisture from the body
  • Warm - insulated thermal underwear for cold weather and winter sports
  • Models marked X-Warm are designed for the coldest temperatures

The choice of thermal underwear depending on the activity and intensity of the load

First of all, when choosing thermal underwear, you should focus on the degree of activity: whether it will be high, with intense constant loads (freeride, trail running), medium (mountaineering, hiking) or low (walking in the city, fishing). The main task of thermal underwear for outdoor activities and sports is to control heat transfer due to the timely removal of moisture from the body in order to prevent overheating or hypothermia. With low activity, sweating is less, so the main task of thermal underwear for passive relaxation is to keep warm.

For low activity it is recommended to choose thermal underwear made of wool, for example, Bergans. It retains heat better than synthetics and does not lose its properties over time, it is well suited for everyday wear. It is also worth considering synthetic thermal underwear. Its advantages are density, good moisture removal and ease of care.

thermal underwear for outdoor activities and sports can be divided into compression and non-compression. Due to compression, muscle support is provided, blood circulation is stimulated - the muscles work correctly and are not overloaded. Such thermal underwear, as a rule, has a zonal design (X-Bionic, The North Face). Each zone of clothing is responsible for a specific process: improved moisture removal (under the arms and in the abdomen), enhanced heat retention (in the chest, lower back, shoulders), etc. With low activity, compression creates discomfort. High activity non-compression base layers are usually synthetic (Odlo, Arcteryx, The North Face) or a synthetic/wool blend (Peak Performance) and work best when you are moving. By the way, as a basic, universal thermal underwear (or, if you are buying thermal underwear for the first time), Peak Performance models are almost ideal: in areas with increased sweating, synthetics with their good moisture-wicking properties are used, and in areas that freeze faster than others, wool is used with its ability to keep warm.

Generally, for hiking, trekking and mountaineering suitable thermal underwear of medium or high density, with good breathability and without compression. You can take two sets for climbing: one for climbing / assault, the second, more insulated, for changing at the base camp (or as a backup option). For winter mountaineering and high-altitude ascents, as well as for winter expeditions, Power Stretch thermal underwear can be considered: it is designed for low temperatures and can even be used as a middle layer.

For skiing, on prepared slopes or off-piste, as well as trail running and running training, you should choose compression thermal underwear. It will support the muscles and will stimulate blood circulation, which is important with constant movement and intense exercise. High levels of moisture wicking and breathability are also important for these sports. thermal underwear for winter sports, as a rule, has a zonal design - a combination of zones with insulation (for example, in the shoulders, chest and lower back), reinforcement (for example, in places of increased wear, in the elbow area) and ventilation zones (in places of increased sweating). base layer for summer activities will have a lower density to speed up the removal of moisture from the body.

Manufacturers regularly develop models for specific sports: taking into account the specifics of loads, their average intensity, as well as seasonality. However, the choice of thermal underwear is a very individual process. It depends on your personal characteristics (how you tolerate the cold), your activity in a particular sport. For some it is cold in the city at -10°C even in Power Stretch thermal underwear and a puff, for others a model with medium insulation will be enough for a harsh winter expedition. Someone prefers to have a separate set of thermal underwear for each type of activity, the other will choose 1-2 sets that are as versatile as possible for all occasions.

Thermal underwear options for skiing, off-piste skiing and ski touring

Thermal T-shirt Peak Performance Multi LS180

Universal model from the combined material. Suitable for both skiing and passive use. Good value for money.

  • Material: 50% merino wool, 46% Thermo°Cool® polyester, 4% elastane
  • Raglan sleeve
  • flat seams
  • Weight: 220 g
  • Made in Bangladesh

Underpants Peak Performance Multi SJ180

  • Material: 50% merino wool, 46% polyester (Thermo°Cool®), 4% elastane
  • flat seams
  • Weight: 160 g
  • Made in Bangladesh

Women's thermal T-shirt The North Face Hybrid Long Sleeve Crew Neck

Universal model. Optimal fit, light compression and maximum breathability.

  • Material: 87% HyActive™ polypropylene hollow fibers, 10% polyamide, 3% elastane
  • hypoallergenic material
  • Antibacterial treatment
  • flat seams
  • Weight: 150 g
  • Made in Italy

Warm, quick-drying polyester. Lightweight and breathable inserts under the armpits.

  • Material: 100% polyester
  • Ergonomic fit
  • Weight: 230 g
  • Made in Moldova

Odlo X-Warm women's thermal T-shirt

A good choice for those girls who appreciate comfort and love warmth. Thanks to the zonal fleece insulation, you will not freeze on the lift. The sweat-prone areas use thinner material to keep you dry while riding.

  • Material: 100% polyester
  • Effect by ODLO prevents unpleasant odors
  • Fleece inserts at shoulders and torso
  • Tight fit
  • flat seams
  • Made in Romania

Options for thermal underwear for mountaineering

Arcteryx Phase AR Crew LS men's thermal T-shirt

A good option as the main kit for climbing in not the most extreme conditions. Thermal underwear of medium density, optimally removes moisture and effectively maintains the correct temperature balance.

  • Material: Phasic™ AR UPF 50+, Phasic™ SL UPF 25
  • Antibacterial treatment
  • Anatomical fit
  • flat seams
  • Weight: 160 g
  • Made in Vietnam

Arcteryx RHO AR Zip Neck men's thermal T-shirt

Mid-weight thermal underwear made from Polartec® Power Stretch® technical fleece. Elastic, anatomically shaped and with good moisture wicking performance. And the signature laconic design and unique color from Arc "teryx.

  • Material: Polartec® Power Stretch® (90% polyester, 10% elastane)
  • Laminated chest pocket with zipper
  • flat seams
  • Weight: 280 g

Elastic thermal T-shirt for the winter season.

  • Material: 53% polyester, 37% nylon, 10% lycra
  • Antibacterial treatment
  • Seamless construction
  • Cuffs with holes for thumbs
  • Weight: 150 g

Thermal underwear options for trail running

Arcteryx Phase SL Crew LS men's thermal T-shirt

Thermal underwear made of light, thin synthetic fabric. Provides maximum breathability. Very elastic, does not constrain movements.

  • Material: Phasic™ SL (70% polyester, 30% polypropylene)
  • UV protection factor: UPF 25
  • Let's start with the banal advice that we all often neglect - follow the manufacturer's recommendations. You can usually find them on a sewn-in label on clothes or in the attached instructions, as well as on the brand's website.

    There are some general rules for the care of thermal underwear. The base layer is in contact with the skin, actively absorbs sweat and odors and therefore needs regular care:

    • Air your thermal underwear outdoors after each workout to prevent the accumulation of unpleasant odors.
    • Wash by hand or machine on a delicate cycle up to 30°C.
    • When machine washing, it is recommended to wash thermal underwear with clothes of similar colors and do not fill the machine to capacity.
    • It is even better to collect thermal underwear together and wash separately from all other things.
    • If you do wash thermal underwear with the rest of your clothes, it's best to set aside items with zippers, buckles, and Velcro so that they don't damage the base layer during the wash and leave no hooks. You can also use a special mesh bag for washing clothes.
    • If possible, use a mild detergent, liquid detergents are preferable to powder.
    • Rinse thermal underwear thoroughly after washing.
    • It is not recommended to use fabric softener, products with chlorine, bleaches, antistatic agents, as well as to iron thermal underwear.

Thermal underwear is functional clothing designed to warm the body and winter activities sports. For the manufacture of textiles, polyester or polypropylene are used, which perfectly remove moisture.

Cotton, wool and other impurities are added to synthetic materials, which increase the extensibility and service life of linen. The two main functions of thermal underwear are to retain heat and remove excess moisture from the body.

Types of thermal underwear

  • This type is suitable for people with low or moderate physical activity who live in cold climates.

Heat-saving underwear helps to keep warm, since the air gap between the surface of the body and clothing is increased due to cellular or volumetric weaving of the fabric.

The air in it is heated to a temperature comfortable for the body, which does not decrease and does not allow a person to freeze.

  • Moisture-wicking thermal underwear (functional). It removes excess moisture from the surface of the skin, so that the body temperature is kept at the right level.

It is made of synthetic materials that do not absorb liquid: heated air is brought out through such a fabric, and sweat evaporates without remaining on clothes.

  • thermal underwear combines the qualities and functions of the two previous types. Although air circulation decreases when heat is retained, and air exchange increases when excess moisture is removed, it is possible to achieve a balance between these two processes.

Manufacturers either increase the density of the moisture-wicking fabric, or reduce the thickness of the heat-saving one.

The most effective is two-layer underwear, the inner layer of which is made of moisture-wicking synthetics, and the outer layer is made of heat-saving or moisture-absorbing material (wool, cotton, synthetics, or a combination thereof).

Material

  • natural fabrics they retain heat well and are comfortable for long-term wear, but they do not remove excess moisture well. Such underwear is suitable for everyday wear, sleep, long stay in the fresh air without movement.

The disadvantage of natural fabrics is that they wear out faster than synthetic ones, and wool can cause allergies.

  • Synthetic fabrics do not cause allergies and are suitable for sports and outdoor activities. If you wear synthetic thermal underwear too often and for a long time, it can cause dry skin.
  • mixed linen, which includes both synthetics and natural materials, is suitable for leisurely walks.

Thermal underwear properties

Modern manufacturers produce thermal underwear for men, women, teenagers and children, as well as unisex models:

  • Three main types of children's thermal underwear are designed for active, semi-active and passive walks.
  • Depending on the lifestyle, underwear for adults is designed for low, medium or high levels of physical activity.
  • The choice depends on temperature and weather conditions: manufacturers offer models for cool, cold or very cold temperatures, for windy or snowy weather.

Since thermal underwear is only the first layer in a multi-layer system, without the right outerwear, its effectiveness will not be as high.

For intensive outdoor training, fishing or hunting, clothing is worn over the linen that is responsible for thermoregulation, and on top - a layer that protects from the wind.

The standard set of thermal underwear is a turtleneck with long sleeve or a T-shirt combined with trousers, leggings or shorts.

In addition to this equipment, you can pick up gloves, a thermal hat or balaclava, thermal socks, tights and warm insoles for winter shoes. There are also models of lower thermal underwear: men's and women's shorts, tops and T-shirts.

Thermal underwear for different types sport has its own characteristics:

  • Underwear for skiers has enhanced protection against hypothermia in the groin area.
  • For surfers, quick-drying underwear is made.
  • For figure skaters, especially thin, tight-fitting models are produced.

The distinctive features of thermal underwear include its low weight and volume. The fabric has an uneven density in different parts of the body: for example, it is thinner under the armpits, since it is in this place that the most profuse sweating.

Thermal underwear is multi-layered, and each layer fulfills its purpose:

  • the bottom absorbs and removes excess moisture,
  • the middle one takes her out,
  • the top protects from the cold.

Another feature of thermal underwear is antimicrobial properties: some manufacturers add silver inclusions to the fabric, which get rid of microbes and unpleasant odors.


True, participants in sports forums note that antibacterial impregnations are soon washed out, and therefore are not as effective as the manufacturer promises.

Separate impurities determine the additional characteristics of thermal underwear:

  • Merino wool has natural antibacterial properties, which, unlike silver inclusions, will not wash out after washing. In addition, the wool of merino sheep does not absorb the smell of sweat.

  • Silk in the composition provides a snug fit to the body and does not allow the skin to dry out.
  • Cotton-blend linen has an anti-static effect, so it can be worn under a synthetic office suit.
  • To increase the elasticity and wear resistance of thermal underwear, some manufacturers add elastane, lycra or spandex fibers to its composition.

In some situations, thermal underwear is indispensable:

  • sports,
  • winter fishing and hunting,
  • cold windy winters.

The ability to keep warm, remove excess moisture, be invisible under clothes - the advantages of this type of underwear are obvious. In addition, some models include bamboo, which has antibacterial properties.

  • Thermal underwear is not universal: each type of activity will require a separate piece of clothing, whether it's a walk or an intense outdoor workout.
  • Difficulty in care. Care must be taken when washing laundry so that it lasts longer, does not fade or stretch. Thermal underwear has to be washed frequently, as it is quickly saturated with sweat.
  • Price. Thermal underwear is not cheap, especially if you want to buy a quality product that will last for years.

How to choose thermal underwear

Choosing the right type of underwear should be based on the purposes for which it will be used and your lifestyle.

  • For everyday wear, models made from thin cotton fabrics, such as microfiber, are suitable. Choose the right thickness depending on the season: thick underwear is suitable for winter, thinner for summer.

Long pants or leggings with a turtleneck are designed for winter cold; shorts and a t-shirt are suitable for the off-season.

  • When choosing thermal underwear for winter fishing or hunting, give preference to models that retain heat. If you plan to be without movement for a long time, put on thermal underwear with wool.

  • Sports thermal underwear removes excess moisture from the surface of the skin, but after 3-4 hours of training it is saturated with sweat. Some sports lines offer models designed for specific areas: chest, arms, underarms.
  • For those who like skiing or snowboarding, hybrid thermal underwear is suitable, which retains heat and at the same time removes excess moisture. It combines polypropylene and natural materials - cotton or wool.

  • For mountaineering, rafting, hiking and sleeping in, yachting, choose underwear made of synthetic materials so as not to sweat, because in such situations it is not always possible to change into clean clothes.
  • When choosing children's thermal underwear, do not buy clothes for growth - choose the exact size for the period when the child will need it.

For active children over three years old, synthetic thermal underwear with the addition of cotton or wool or pure synthetics - linen made of polypropylene or polyester - is suitable.

  • When trying on underwear, move around: bend over, sit down, raise and lower your arms. Make sure that you will be comfortable in the model you are going to buy when playing sports.

The best thermal underwear has the following characteristics:

  • Does not restrict movement, but does not hang. For kayaking, it is advised to wear underwear that hugs the skin tightly, and in other cases, you can choose a size a little looser. Focus on size chart specific manufacturer.
  • Does not increase body temperature, pleasant for the skin. Doesn't itch.

  • Seamless or with flat seams on the outside of the garment. But the tags, on the contrary, are sewn on the outside.
  • Does not stretch or slightly stretches when worn. After washing, it returns to its original shape. In some models, the fabric on the elbows and knees is reinforced so that the underwear does not wear out so quickly.
  • During washing does not shed and is not painted.

Thermal underwear cannot be 100% composed of only natural materials- in this case, it is considered just insulated clothing. In order for thermal underwear to perform its main functions, synthetic materials must be included in its composition.

How to use

The material and structure of the weaving linen require careful care and thorough cleaning.

  • Washing is allowed in (delicate wash mode) or by hand: the temperature in both cases should not exceed 40 degrees.

Some manufacturers produce linen that can be washed at more high temperatures- information about this is indicated on the label.

  • Be sure to turn brushed underwear inside out before washing.
  • The use of rinse aids, conditioners and antistatic agents is acceptable.
  • Frequent washing will not affect the life of your thermal underwear, so feel free to wash it after every hike or workout.

  • Do not use bleach or detergents containing chlorine for washing: it destroys the structure of the fabric. Better take the regular washing powder or laundry soap.
  • Do not tumble dry or iron thermal underwear. It is unacceptable to give thermal underwear to dry cleaning.
  • After washing, do not wring the laundry dry, but leave it to dry at room temperature, without using additional heat sources. Do not dry laundry in a dryer, over heaters or over a fire. It is better to lay out clothes on a flat surface.

Thermal underwear manufacturers

This type of clothing is represented on the Russian market by domestic and foreign companies.

The company offers men's and women's collections, which include t-shirts, shirts, tops, trousers. Women's models are made in bright colors, while men are offered discreet shades: blue, gray, black.

The range includes underwear for everyday use, mountaineering, running, skiing and tourism.

Craft

The Swiss company is considered the world leader in the production of thermal underwear. The company focuses on athletes and presents a wide range of textiles for men, women and children, as well as accessories (socks, leggings, gloves, wristlets, backpacks and bags).

The collections have thermal underwear for cool, windy and frosty weather. The company produces high-quality goods with flat seams, soft embossed thread, a large selection of colors.

Guahoo offers five options for thermal underwear depending on temperature conditions. The range includes models for daily wear, as well as for moderate and high wear. physical activity.

The company is favorably distinguished from others by the development of thermal underwear for teenagers, taking into account mobility, rapid growth, body formation. The only disadvantage of Guahoo is the high price, which is not surprising given the quality and wide range.

A thermal underwear manufacturer from New Zealand uses Merino sheep's wool to create clothes. Clothing made from this material breathes easily and protects in cold weather. Merino wool is a light and soft material that is resistant to strong odors.

Linen made from such wool does not stick to the body, does not accumulate electricity and does not shrink after washing with proper care.

The only drawback of this material is that pellets appear on it over time. The firm's collections include outerwear, underwear, socks for different weather conditions.

When several layers are combined, the effect of thermal underwear only intensifies, Icebraker garments successfully complement each other.

The Austrian company produces highly functional and comfortable thermal underwear, which is in demand throughout Europe. The company exports its products to Germany, Italy, Sweden, Russia and the Scandinavian countries.

The company offers clothes for winter and summer sports: running, cycling, outdoor activities. The range includes trousers, jackets, underwear and accessories for children and adults.

ODLO

The Swiss company produces sportswear and functional thermal underwear for sports and an active lifestyle.

The choice of clothing items is wide: thermal pants, underpants, t-shirts and shirts for men, children's sets of thermal underpants and long-sleeved thermal t-shirts for outdoor walks.

ODLO products are of high quality, elasticity, lightness and convenience. The company cares about the environment, constantly introduces new environmentally friendly materials into production.

Clothes are made in Turkey, from where they are exported to Finland, Russia and other Nordic countries. Thermoform, like other manufacturers of thermal underwear, offers men's, women's and children's models: thermal suits, underpants, t-shirts, hats and socks.

The production uses not only synthetic materials (polyester, polypropylene, nylon), but also natural cotton and wool, thermal underwear from which is suitable even for small children.

X-Bionic offers a wide range of durable thermal underwear for men, women and children, for any type of activity: intensive training, motorcycle and motor sports, fishing and hunting, hiking, sport games. The only disadvantage of X-Bionic thermal underwear is its high cost.

Develop and Russian manufacturers thermal underwear: Nova Tour, Red Fox, SiberWolf, Termoline, and the prices for underwear from domestic manufacturers are affordable.

If you choose the right thermal underwear depending on the type physical activity and air temperature, you will feel light and comfortable, and frost and heat will not prevent you from enjoying being outside.


Thermal underwear is a functional underwear, the function of which is to provide the human body with a comfortable thermal regime. Initially, this type of special underwear was developed for army special forces, but gradually thermal underwear began to be used not only in the army. Extreme athletes, in whom intense physical activity caused an increase in body temperature and active sweating against the background of adverse environmental conditions, were the first to appreciate all the benefits and advantages of thermal underwear. Subsequently, this underwear has become an integral attribute of the equipment of most professional athletes and lovers of active sports. AT this moment thermal underwear is available in a wide range in specialized stores for sports and tourism, and anyone who wants to feel comfortable during fitness or active leisure can afford to buy it.

Many ordinary people mistakenly believe that the main functions of thermal underwear are to keep warm and warm the body. This statement is only partly true, since the main task of such underwear is to remove sweat from the body, which is released during fitness training and other intense loads. And in addition to this function, thermal underwear provides comfort to the body, warming in cold weather or cooling in a hot environment.

Depending on the additional functions of thermal underwear, it is divided into 3 types:

  • Summer, designed for fitness in gym or outdoors from April to October at an ambient temperature of +10 to +35 degrees.
  • Universal. This underwear can be used during any outdoor physical activity in autumn, winter and spring, if the ambient temperature ranges from -10 to +10 degrees.
  • Winter, designed for physical activity in the open air at temperatures from 0 to -30 degrees. It will be warm and comfortable not only for skiing or skating, but also for just walking on a cold day or fishing on the river.

The special functionality of thermal underwear is achieved due to the material from which it is made. For sewing underwear physical activity the following synthetic fabrics are used:

  • polypropylene.

It does not get wet, but is able to efficiently remove moisture. Thermal underwear made of polypropylene dries in a few minutes right on the body, so it is very convenient to carry out active fitness training in it;

  • polyester.

In terms of its functional characteristics, this material is slightly inferior to polypropylene, but it is softer. Polyester underwear is pleasant to the body and durable;

  • polyamide.

Seamless thermal underwear is sewn from this material, which is lightweight and smooth;

  • elastane.

These synthetic fibers are added to the composition of the fabric to give the product strength. Underwear, which contains elastane, stretches well. It is convenient to carry out fitness classes aimed at stretching or including elements of stretching.

In the production of thermal underwear, natural fabrics can also be used, for example:

  • wool.

Wool warms well if fitness training is carried out outside in the cold season, and its villi are gently massaged skin by increasing blood circulation;

  • cotton.

Cotton threads in their pure form are practically not used in the production of fabrics for thermal underwear, since cotton quickly absorbs and retains moisture for a long time. Most often, cotton threads in the composition of the fabric are combined with synthetic ones. Linen made of pure cotton can be used in cases where physical activity does not involve active activities that provoke profuse sweating;

  • silk.

This natural fabric just like cotton, it is not used in its pure form, but is combined with synthetic threads.

The texture of the fabric also matters in the functionality of thermal underwear. The special interlacing of the threads makes it possible to obtain a fabric having from 1 to 3 layers. In addition, using different techniques weaving, you can get different textured zones on linen, which provide maximum comfort in places of the greatest or least sweating on the body during physical exertion.

Single-layer fabrics are usually used for summer thermal underwear, which should pass air well, cool the body, remove sweat and dry quickly. Two-layer fabrics are used for sewing versatile linen, which can both remove moisture and warm at the same time. Usually, the upper, warming layer resembles cells or honeycombs, through which the moisture released by the body during fitness training is evenly distributed over the entire surface of the underwear and dries quickly. Three-layer fabrics are usually used when sewing thermal underwear, the characteristics of which include an antibacterial effect. From the point of view of hygiene, it is indispensable for tourists and climbers, who often do not have the opportunity to change underwear after physical exertion. The antibacterial properties of thermal underwear can be achieved due to the content of special granules in the third layer of the fabric, which are washed off after 3-5 washes, or by weaving a thin silver thread into the material. Linen with silver thread retains its antibacterial properties throughout the entire period of operation.

Rules for choosing thermal underwear for fitness

So that thermal underwear does not cause discomfort during intensive fitness and performs its functions efficiently, you need to choose it, guided by the following rules:

  • the size of underwear must match the parameters of the body. This underwear should fit snugly, but at the same time, not hinder movement;
  • the characteristics of thermal underwear must match the ambient temperature and the intensity of physical activity;
  • it is advisable to choose seamless thermal underwear or such models in which the seams and labels are on the outside in order to protect the skin from chafing.

Thermal underwear for active physical activity: selection rules - all about the secrets of fitness to the site

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