PSS Thermo Xtreme 2.0 balaclava for women, men and children - breathable and warm seamless functional underwear in many sizes and colours. State-of-the-art technologies ensure maximum and safe freedom of function for the body even during extreme body use. A combination of breathable fibres, seamless and double layer knitting types. One layer provides an ideal microclimate for the skin and transports sweat to the outside, the other provides protection against the cold and maintains the natural body temperature. Only through the use of micro-fibre polyamide and polyprop is the knitted fabric really breathable, wicks away moisture to the outside and offers a pleasant feeling of freshness. Perfect for skiers, motorcyclists, runners, hikers and cyclists in the cold seasons. Composition: 54% Polyamide, 40% Polyprop, 6% Elastane Size Head Circumference: S/M - 53-56 cm L/XL - 55-58 cm XL/XXL - 57-60 cm