M size corresponding gloves are 29 cm in length, 12cm in palm width and 9 cm in middle finger length. XL size corresponding gloves are 30cm in length, 13cm in palm width and 9.5cm in middle finger length. Please choose according to your actual palm size The Heated Skiing Gloves provide a wide heating area covering your whole back of the hand and all fingers in case of poor blood circulation, arthritis, cold weather, or simply for more comfort and warmth. Unique five fingers and back of hand heating layout, rapid heating from fingertip to palm, threaded wiring design, soft and delicate, to prevent pullingthe index finger and thumb are made of composite materials to transmit human body sensing to the mobile phone screen through gloves, so that you can operate the mobile phone outdoors without taking off your gloves in cold winter Put three AA batteries into the battery box, connect the battery box interface with the glove interface, put the battery box into the glove storage bag, gently touch the key, intelligent three-level adjustable temperature, three-color thermal aperture,intuitive and beautiful display The flexible heating fiber is combined with the inside of the glove to form a whole, which has good heating effect, effectively prevents heat loss, transmits more heat to the inside of the glove, and feels comfortable and not stiff Comprehensive waterproof treatment: the glove surface is made of water splash proof fabric, and the surface is waterproof while preventing wind. The zipper is coated with waterproof treatment, which has good waterproof effect, no tearing, good smoothness,flat and delicate surface, and has a smooth feeling similar to leather Note: This product does not contain battery or power bank