Description of Marmot Altitude Mitts For cold-prone fingers or frigid mid-winter days, the Altitude Mitt delivers loads of value in a MemBrain® shell mitt with a MemBrain® insert and micro-brushed lining for next-to-skin moisture management. Features: MemBrain waterproof/breathable Insert Waterproof, breathable and windproof for wide range comfort Spirafil synthetic insulation Keeps you warm and dries quickly Falcon Grip articulated for dexterity and ease of grip Gauntlet Quickdraw easy to use one handed drawcords Nose Wipe soft fabric to wipe your runny nose Wrist strap adjustablility and better fit Safety Leash keeps glove attached to wrist when removed from hand