Mountain Lab Bluetooth Battery YCRF_bag GDP's front output shaft is

GDP's front output shaft is constructed of industry leading 300M and then heat treated for a precise blend of strength and longevity

Compression Only design - Unique design removes the front and rear shelves of a traditional full-frame neck brace for improved mobility

Finger bridge on third and fourth finger prevents finger roll and separation in an impact

Offers a best-in-class view port for unparalleled vision

longest lasting and weatherproof comm systems

Mountain Lab Bluetooth Battery YCRF_bag GDP's front output shaft isOne spare battery for the Bluetooth Heated Socks. Comes as a single unit. NOTE: Two batteries required to power a pair of Bluetooth Heated Socks.