Fit & Design: Full front and back heating runs all the way to your fingertips for a premium warming experience over the entire hand 40 grams of Thinsulate insulation on the top of the hand and palm, for lightweight and flexible construction Lightweight, durable, and stylish, while providing world-class heating performance TPU molded cinch strap offers a waterproof lock without any discomfort Reflective piping for easy identification, even in the dark Touchscreen compatible index finger lets you access your device's functions with ease A Cyberian Cordloc system allows you to find the optimal fit Stretchable material offers comfort and mobility for any of your activities Technology: 135deg maximum heating temperature Features a temperature controller for quick warmth settings Equipped with a 7V, rechargeable, lithium-ion battery Made with Aquatex breathable water-resistant material, so you stay warm and dry