Polartec® Alpha® is a fabric that in direct contact with the body quickly moves body humidity from the inside to the outside, guaranteeing drying times 60% faster than the average.
This new generation fabric: offers warmth without being heavy, is hydrophobic, resists humidity and dries very quickly, minimizing heat loss, insulates even when wet, is wind resistant. 
The Polartec® Alpha® thermal insulation layer is covered by a stretch shell fabric, a double supply, with water repellent treatment.