When we go to battle with some of the coldest days of a wicked winter we equip ourselves with the LEKI Xplore XT S Glove. These Goatskin-reinforced polyester ski and snowboard gloves are packed full of lofty Primaloft insulation that shelters us from below-zero temperatures, feature a double gauntlet that prevents snow from sneaking into your sleeves, and boast a zippered heat pocket perfect for hand warmers. This combination makes them the warmest mittens in our rotation.