New four-level push button 7.4v design. Heavyweight polyester and spandex blend fabric used in the backhand, fingers, forchettes, and gauntlet. Microfiber overlays incorporated into the palm thumbs for added durability. Ergonomically positioned gauntlet zipper pockets comfortably store battery packs. 5mm memory foam padded knuckles and accordion stretch fingers provide added protection without sacrificing comfort. HiPora waterproof, breathable membrane to block out moisture. 80g 100% polyester insulation keeps the cold out and warmth in. Fleece lining for a warm and luxurious fit and feel Touchscreen compatible index fingers and thumb. Dual closure gauntlet design keeps the warmth in and the elements out. Reflective piping on outside of gauntlet cuff helps increase nighttime visibility. Battery life ranges from 2.2 hours on high to 8 hours on low temperature setting. Surface temperature ranges of 135°/100%, 120°/75%, 105°/50%, 90°/25%. Includes two 7.4v 2.0Ah rechargeable lithium-ion b