Engineered to deliver enhanced feel and sensitivity with the bike's controls, so you can stay in control and focused on the road ahead. Premium cowhide leather construction. Experience non-stop heat up to 135°F (57°C) that connects directly to vehicle's DC power system. Primaloft Silver 80g insulation offer excellent thermal properties and provide a high level of protection, stretch, and flexibility. Max Heat: 135°F @ 13W each. Power: 12V DC 1.1 Amp each. ZEPTO heating fibers run throughout glove, including to the tip of every finger. Porelle® breathable water-resistant membrane. High-impact TPU knuckle protection. Pre-curved ergonomic fit. Adjustable Velcro wrist closure. Cuff length optimized for under-jacket fit. Power them with a portable battery (sold separately) if not riding or connect them directly to the sleeve of your Gen-X4 Jacket Liner in seconds. Power Options. For use with Gen-X3/X4 Heated Jacket liner : No additional wiring is required; simply connect via the convenient hideaway plugs at the end of each sleeve.. For use with Gen-X3/X4 Heated Vest : Requires the Snap-on Harness for Heated Gloves & Glove Liners (SKU 100226-1).. For standalone operation (i.e. direct connection to the 12V battery of your powersport vehicle) you need the Coax Battery Cord (SKU 100227-1) and the Y-cord with Temperature Controller for Heated Gloves & Heated Glove Liners (SKU 100273-1), which allows you to fine-tune the temperature..