Fully insulated, waterproof, windproof and breathable long-gauntlet chassis, 3M* Thinsulate* insulation; 250gm in top of hand and thumb, 150gm in palm and fingers, Waterproof, breathable Hipora* membrane liner, Waterproof Clarino* palm for durability and grip, Strategically-placed 3M* Scotchlite* reflective graphics, Claws have single divot of separation for greater dexterity, Adjustable wrist and cuff