The Mercury Mitts pack the warmth and weather protection to handle anything from two-foot storm days in the Wasatch to brutally cold alpine climbs in the Alaska Range. A fully waterproof BDry inserts block any moisture that Mother Nature throws your way, and the durable goat leather palms ensures long-term durability and performance. The Mercury Mitts' removable split-finger liners features PrimaLoft Gold Insulation on the backs of the hand and high-loft fleece on the palms, so you get the warmth you need for the seasons coldest days and still keep the dexterity required for climbing and skiing.