White Sierra Boys Bilko Insulated Pants 100% Other Fibers Imported Waterproof fabric 150 grams polyfill insulation Comfort fi t back elastic Gaiters with elastic and reinforced scuff guard Articulated knees, SHELL: 100% polyester Cape Codder coated woven, LINING: 100% polyester taffeta woven Waterproof breathable fabric External adjustable waist Hook and loop secure thigh and back pockets Articulated knees