Columbia Women's Mighty Lite Vest polyester Shell: 100% polyester Shiny Triple Rip ripstop. Lining: 100% polyester thermal reflective. Insulation: 50% polyester/50% recycled polyester OH, 80 Omni-Heat thermal and reflective insulation Omni-Shield advanced repellency Machine wash cold, wash separately, do not bleach, tumble dry low, do not iron, do not use fabric softener, do not dry clean Vietnam