M size corresponding gloves are 30 cm in length, 12cm in palm width and 9 cm in middle finger length. XL size corresponding gloves are 31 cm in length, 13cm in palm width and 9.5 cm 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. 3M thermal insulation cotton is selected, with a soft texture like velvet. Under the soft and comfortable streamline design, it feels warm and operates freely, getting rid of the shortcomings of traditional gloves, such as heaviness and clumsiness Unique five fingers and back of hand heating layout, rapid heating from fingertip to palm, threaded wiring design, soft and delicate, to prevent pulling Connect the battery with the connector in the glove, and the switch will flash automatically. Put the battery into the battery bag, zip up, gently press the on key, the first gear temperature is the default, and gently press the on key to continue to adjust the gear. There are three gear temperatures to choose from. Select the gear until the switch light is off 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 glove can be soaked and washed. 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 leatherthe safety reflective strip on the surface makes you safer in the dark Note: This product does not contain battery or power bank