Ascend to new heights. A fully waterproof insert and PrimaLoft insulation make the Black Diamond Mercury Mitt a popular choice for year-round use. Four-way stretch Pertex® Shield fabric and a large gauntlet keep moisture at bay. A goat leather palm with Kevlar® stitching increases durability for seasons of hard use. Removable split-finger liner features a high-loft fleece lining for increased warmth and comfort and a BDry™ insert adds moisture protection even when you use the liner by itself. Climb to the top with Black Diamond gear.