3.7V EVA HEATED INSOLES with H/M/L temp. adjustment Li-ion Battery

FEATURES
Perfect for use with ski boots, work boots and outdoor footwear, suitable for indoors and outdoor activities.
No longer fold feet as you can warm your toes and feet simply by inserting our heated insoles into your footwear.

Safely bendable heating element to create the heat to warm up the footwear, bring the heat to your feet immediately.

Easy to trim to required size

Patented Heating Technology.

Operated by powerful rechargeable Lithium battery.