Columbia Men's Omni Heat Insulated Liner Jacket polyester Shell: 100% polyester. Lining: 100% polyester. Insulation: 50% polyester/50% recycled polyester, 100g Omni-Heat thermal reflective and insulated Zip-in Interchange system machine wash cold gentle, wash separately, do not bleach, tumble dry low, remove promptly, iron low no steam, do not use fabric softener, if present do not iron decal, do not dry clean China