Outdoor Research Men's Aspect Pants nylon SHELL 1: FACE: 100% NYLON, BACK 100% POLYESTER, SHELL 2: 100% NYLON Highly breathable/waterproof, laminated soft shell; smooth-faced Ventia fabric; fleece backed upper legs and seat, tricot backed lower legs Water-resistant zippers and zippered hand pockets, one with beacon pocket with key clip attachment Machine Washable, no bleach, medium heat China