Incredible warmth and fully waterproof GORE-TEX mitt, the Mission MX Gore Mitt is versatile and dependable, using premium materials including a GORE-TEX liner and PrimaLoft Gold insulation for ultimate warmth. The goat leather palm is supple and durable, while the rip-stop polyester and padding on the back of the hand make these under-the-cuff mitts a workhorse in the mountains.Black Diamond Mens Mission MX Mitts Features: 100% waterproof and breathable GORE-TEX® liner with Gore plus warm technology PrimaLoft Gold insulation works best in cold weather, 340g on back ofhand, 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 Temperature Range: -31/-12 °C (-25/10 °F) Weight per Pair: 191.7 g (6.76 oz