Columbia Men's Big & Tall Thunderstorm II Pant Shell: 100% nylon ltx mp. lining: 57% recycled polyester/43% polyester mesh, 100% nylon taffeta If present close hook and loop fastener, machine wash cold permanent press, powdered detergent, rinse thoroughly, wash separately, do not bleach, tumble dry permanent press low, iron low, do not use fabric softener, if present do not iron decal, do not dryclean Omni-tech waterproof/breathable Fully seam sealed Packable