Nordic Gear's Battery Heated Lectra Gloves are a premium warm winter glove with the added feature of providing battery heated warmth. Lectra Gloves are lined with Thinsulate for extra warmth and run on D cell batteries for heating. New D cell batteries will last up to 6-8 hours. Fully charged D cell recharged batteries will last 2-3 hours. Keep spare batteries handy if you are going to require warmth for extended periods of time. Nordic Gear Lectra Glove Benefits: One Handed Snap On/Snap Off Control For Easy Operation Uses D Cell Batteries Provides Up To 8 Hours of Warmth Will Not Shock, Even when Wet Durable Nylon Taslan Shell Maxi Grip Fingers and Palm Thinsulate Lined Snow Cuffs The heating element is safely buried in a channel located in the palm area. Invisible to the wearer, the heating element is designed to warm the hand cavity and radiate out the fingers. These gloves work great - they warm your hands, but do not get hot or make your hands sweat. Lectra Gloves are the perfect winter solution for people who work outside and enjoy winter sporting.