Columbia Men's Echochrome Pant nylon Shell: 100% nylon, Insulation: 100% polyester Microtemp, 60g Omni-Tech waterproof/breathable critically seam sealed Adjustable waist If present close hook and loop fastener, machine wash cold permanent press, powdered detergent, rinse thoroughly, wash separately, do not bleach, tumble dry permanent pess low, iron low, do not use fabric softener, if present do not iron decal Vietnam