They feature a single control button so that you can easily control the three levels of heat intensity at the push of a button

Custom woven patch on the side

Double sided

Must be used with a Hotronic XLP one battery and recharger

Therm-ic C-Pack Extension Cord (80 cm) _SKI APPAREL They feature a single controlFor easier access to your ski boot heater settings, try out some Therm ic C Pack Extension Cords. These 80cm cords plug into your heated insoles, and can then be fed up under your pant leg to your waist. With your heat control so close at hand, you can easily adjust your temperature setting for optimal comfort while skiing or snowboarding. 2 extension cords for Therm ic C Pack batteries 80cm (31. 5inches) Allows you to wear your battery around waist