Features of the Black Diamond Women's Mission MX Mitt 100% Waterproof and breathable Gore-Tex liner with Gore plus warm Technology Primaloft gold Insulation works best in cold weather, 340g on back of hand, 170g on palm Reinforced goat leather palm Rip-stop polyester and padding on back of hand Wrist leash keeps your mitts handy Sleek and insulated cuff construction easily Fits under jacket