100% leather construction provides a great fit, and the basic protection for all types of riding. Microwire™ heating throughout, including the top and bottom of each finger. Aquatex™ breathable water-resistant membrane. Premium Aniline cowhide leather construction. 150 grams of Thinsulate™ insulation. Impact protected gel pads at palm. Reflective piping. Adjustable Velcro® brand hook-and-loop wrist closure. Lifetime warranty on Microwire™ heating elements. Plugs directly into Gerbing Jacket Liner for instant power (sold separately). Max heat: 135°F @ 13W each. Power: 12V DC 1.1 amp each. Gerbing recommends the use of a temperature controller with this product; failure to do so may cause discomfort and burns.