White Sierra Women's Crystal Palace Snow Pant Shell: 100% polyester 2 tone Sierra Cloth Twill woven; Lining: 100% polyester taffeta woven Imported Waterproof, breathable fabric to keep you warm and dry on the slopes. Polyfill insulation provides the added warmth you need for those long chair lift rides. Articulated knees and an adjustable waistband provide excellent fit and functionality.