Model - A200 - BLACK A set of thermoactive underwear, consisting of a T-shirt with long sleeves and trousers. This type of clothing is designed to be worn directly on the skin, it can be the first thermal layer (so-called base layer) for active users. It is a light and quick-drying underwear, which allows you to retain heat during cold days, while in the summer it gives a cooling effect. Excellent insulation combined with low weight and grammage of the raw materials used is perfect for high mountain conditions. Nice, very pleasant to the touch material, for even greater comfort. Solid and careful finish in every detail. Strong and durable seams, solid elastic waistband. High quality material 65% NYLON, 25% POLYESTER, 10% SPANDEX. Size M - 65-80kg / 165-185cm Size L - 70-90kg / 170-190cm Size XL - 75-95kg / 170-195cm XXL size - 80-100kg / 175-200cm The suggestions given above are only an attempt to illustrate the size, depending on the proportion of fat tissue to muscle tissue and individual body features, the selection of the size may be different.