ALTIHeat™ Battery-Powered Heat Technology with Rechargeable Lithium Ion Batteries Customizable Heat Settings Touchscreen Compatible Glove Clip Under Cuff Construction Elasticized Wrist Zippered Gauntlet with Gusseted Wrist Entry Features Water Resistant Wind Resistant Breathable Lightweight Specs Outer Material: 2L 2-way stretch woven 88% nylon / 12% spandex Synthetic Leather PU Insulation: EnduraLoft 100% Polyester 100G Lining: Fleece / 94% Polyester / 6% Spandex & Tricot / 100% Polyester