C-Pack 1700B - Batteries for Heated Insoles Socks batteries & chargers DLX merino wool blend: Premium

DLX merino wool blend: Premium wool construction enhances warmth

Designed with heating elements that wrap around the fingers and across the top of the hand

Ultra thin heating elements for optimal foot temperature

Level 3: up to 1

C-Pack 1700B - Batteries for Heated Insoles Socks batteries & chargers DLX merino wool blend: PremiumThe Therm ic C Pack 1700B battery set is our highest capacity model, offering up to 17 hours of heat with Bluetooth and manual control. Adjust your heat using the physical buttons or unlock advanced settings like motion detection and eco mode in the Therm ic Heat Control app. Best attached to the tongue loop of your ski boot liner. Includes: 2x C Pack 1700B batteries, USB charging cable (wall cube not included) Heating duration: Level 1: up to 17