Take the legendary warmth of the Tundra split-finger gloves, add the three-level heating system and you get some of the warmest, most comfortable gloves ever to fight the cold. This design uses a 1-3 split with your index finger free from the other three, providing better control and feel on the handlebars while providing excellent warmth. The heating filaments are durable and long lasting, powered by lithium-ion batteries to ensure consistent warmth. The heating element covers your backhand and wraps the fingertips, providing full hand heat when used with heated grips on a snowmobile. Split finger design for maximum warmth with control. Compressed palm insulation for grip. Total heat when used with heated grips. Gore-Tex and Gore warm technology - Guaranteed To Keep You Dry™. New 1-3 split finger design for better control. 3M™ Thinsulate™ insulation - 400-gram backhand, 150-gram palm.