Hotronics XLP Surround Thin Heated Socks

Combined with the Hotronic XLP One Power Set Sock Warmer battery pack (not included), Hotronic Heat Socks Surround Thin become a complete sock heater system for lasting foot warmth. Features Thin construction creates a low-volume, high-performance sock Hotronic XLP One Power Set Sock Warmer battery packs (not included) attach to socks' inner cuffs using snap fasteners; 2-layer cuffs add protection and battery-pack support Hotronic Surround heating element starts within the socks' double cuff and continues down the socks' outer layer and into the toe boxes for extra comfort and targeted warmth Asymmetrical shin and instep protectors increase comfort Reinforced in the toe and heel areas to protect against premature wear Machine washable up to 86°F (30°C); wash in the included mesh bag