Model - A200 - BLACK A set of thermoactive underwear, consisting of a T-shirt with long sleeves and trousers. This type of clothing is intended to be worn directly on the skin, it can constitute the first thermal layer (the so-called base layer) for active users. It is light and quick-drying underwear that keeps the warmth during cold days, and provides a cooling effect in summer. Perfect insulation combined with low weight and basis weight of the raw materials used is perfect for high mountain conditions. Nice, very pleasant to the touch material, for even greater comfort. A solid and careful finish in every detail. Strong and durable seams, solid elastic waistband. High quality material 65% NYLON, 25% POLYESTER, 10% SPANDEX. Size S - 60-75kg / 160-180cm 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 above suggestions are only an attempt to illustrate the sizes, depending on the proportion of fat tissue to muscle tissue and individual features of the body structure, the selection of the size may be different.