Mountain Lab Bluetooth Battery YCRF_bag Compression Only design - Unique

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

carcass material properties and assembly process to provide exceptional handling

RMF Technology (Reactive Memory Foam)

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

Features a higher capacity and longer life

Mountain Lab Bluetooth Battery YCRF_bag Compression Only design - UniqueOne spare battery for the Bluetooth Heated Socks. Comes as a single unit. NOTE: Two batteries required to power a pair of Bluetooth Heated Socks.