Heated insoles - Insole Heat Flat Insole Size:Unique size they guarantee an optimum fit

they guarantee an optimum fit and extra insulation thanks to the enhanced merino wool

This heated technical underwear gives you optimum protection from the elements and ingeniously combines Smart Elastic® technology with thermo-regulating knitted features to create the perfect body micro-climate

Protections: in Achilles tendon

is waterproof and windproof

List of compatible batteries :

Heated insoles - Insole Heat Flat Insole Size:Unique size they guarantee an optimum fitINSTRUCTIONS FOR USE Remove the old insole from the shoe Cut the HEAT FLAT to the desired size (sizes 36 48) at the marked places. Be careful not to cut the power cord and the heating element in the area under the forefoot. Place the HEAT FLAT insole in the shoe Run the power cord up the heel along the calf Connect the power cord to the Therm ic C PACK batteries