This Men's Extremes active jac is arctic-quilt lined for cold weather conditions. Water repellent, it's constructed of tough, 1000-denier Cordura nylon, and fully lined with quilted, arctic-weight polyester insulation. It features two inside pockets, two hand-warmer pockets and rib-knit cuffs and waist. The main seams are triple stitched for strength. Style #: J133.