Hotronic Heat Socks Only Xlp PFI 50 Surround Comfort – XL

Heated toe and ball of foot with reinforced toe and heel Ideal wicking material Two layer cuff design to securely hold battery pack batteries sold separately Replacement socks for Hotronic XLP One Battery packs sold separately. Surround heating element on top and bottom of foot for more comfort. Material 80% nylon 20% Lycra/Spandex. Includes mesh bag for washing.