HT-3 Heat Tech Drystar® Gloves - Black - Medium HT-3 Heat Tech Drystar® Gloves Goat leather palm for enhanced abrasion resistance and durability Gloves feature Alpinestars Heat Tech System which distributes balanced warmth in the coldest of conditions Three heat settings for optimum cold weather performance, with each hand capable of being regulated individually 7.4v lithium battery for reliable, long-lasting power to the Alpinestars Heat Tech System and an electronic controller for long life and security Micro USB-Y cable included to connect both batteries simultaneously Alpinestars Heat Tech System features a stainless enameled copper-nickel heating yarn for proven durability, bend resistance and heat stability Easy-to-use external control button allows riders to select one of three heat settings Alpinestars 100% waterproof and breathable Drystar® performance technology for effective all-weather protection and a reduced material design offers superior sensitivity with the bike's controls 100g 3M™ Thinsulate™ insulation for additional warmth and effective heat retention Touchscreen compatible fingertip area on index