100% polyester lining 83% Nylon/17% spandex 19.0 ounce Cell phone insert pocket DuPont stain repellent coating on nylon/spandex outer layer Four-way stretch anti-pill microfleece inner layer Waterproof and windproof flexible membrane Waterproof and windproof full zipper with waterproof and windproof zip side pockets Adult: S, M, L, XL