Heavy duty winter work mittens keep your hands warm and protected from the elements while you work. Ideal for: cold weather, shoveling snow, snow blowing, and more. 100-Gram 3M Thinsulate insulation for warmth, fleece-lined for comfort. Ideal insulation for very cold environments. Extra long knit wrist keeps wrists warm. Elastic stretch of knit wrist keeps snow and debris out of gloves. Glove features a fully wrapped glove liner sewn into the mitten construction for improved dexterity. Constructed of heavy duty grain leather with a fabric back.