Firstgear Ultimate Touring Heated GlovesThe Firstgear Ultimte Touring Heated Gloves feature top grain drum dyed cowhide for durability and layer of Thinsulate Thinsulate® is a synthetic fiber used for thermal insulation in clothing. Thinsulate® fibers are about 15 micrometers in diameter, which is thinner than the polyester fibers normally used in insulation for clothing such as gloves or winter jackets. Thinsulate® insulation is soft and compressible. insulation to keep you warm. The inside of the gloves are made with a breathable waterproof membrane, the palms have reinforced protection and the fingers are pre-curved, providing comfort from the first time you put them on.Note: If in between sizes customers recommend ordering the larger size.Features: Heating coils throughout for optimal warmth Top grain drum dyed cowhide construction Aqrotex breathable waterproof membrane 3M Thinsulate lining Carbon fiber molded knuckle protection Kevlar reinforced fingers Touch screen friendly Dual zone heating: may be used with either a Single or Dual Heat-troller Powered by DC power source Note: Gloves have a female adapter on them that plugs directly into a Firstgear heated jacket or with optional extension cord (sold separately).