C-Pack 1700B - Batteries for Heated Insoles Extra Warm Level 2: up to 3

Level 2: up to 3

Connectivity: Bluetooth control via included U-Pack and Therm-ic app

Therm-ic has worked on the design of these hiking socks taking feminine sensitivity into account

Primaloft® insulation for warmth and moisture control

making them the warmest high-performance merino ski socks available

C-Pack 1700B - Batteries for Heated Insoles Extra Warm Level 2: up to 3The 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