Columbia Women's Frigid Flight Long Interchange 3 in 1 Jacket OMNI HEAT Omni-Heat thermal reflective technology: reflects back the heat your body generates. Detachable hood, 3 external zippered pockets, an zippered pocket for extra security, a storm flap, velcro-tabbed cuffs, and a draw-cord adjustable bottom hem. Body: 100% nylon. Lining: 100% polyester. Imported.