Keep the elements out and the heat in with Heat Holders new men's Alaska high performance mitts. These mitts are both wind and waterproof and are made with a dual insulation system - our luxurious HeatWeaver lining which provides soft comfort and maximizes the amount of warm air that is held close to your skin and Thinsulate insulation which provides extra warmth and breathability. These mittens include a long Heat Holders elasticated cuff that helps seal in the heat and keep out the cold, aided by a fastening strap that allows for a custom fit around the wrist.