Material 1: 100% polyester 2 Material: 96% polyester, 4% spandexFunctional underwear shorts from Swede Mount. Effective moisture transport and high breathability makes them optimal for activity and exercise. Stretchy fabric and a more elastic waist to provide both comfort and maximum freedom of movement. In the back of the trousers are slightly higher and the party is a stretch lengthwise to easily pull them up high and stay in place regardless of the activity. Flat seams to prevent chafing and discomfort. Perfect for ski holidays and all the winter activities!