USB Electric Heated Foot Insole Feet Warmer Heater Pads Winter Wear Men Women Brand new and made with high quality material. USB Electric Heated Shoe Foot Insole Heater Winter Skiing Outdoor Warm Feet Pads Made with FIR carbon fiber that produces a very thin and soft sheet of material that distributes heat evenly that warms your feet. The insoles comes with built-in voltage protection that is perfectly safe for your feet. It is washable and reusable, but do not use machines to wash. The insoles can be cut to your shoes size, and is suitable for all kinds of shoes for both women and men. The heated insoles can reach between 40 C to 50 C (104 F - 122 F) that is perfect for winter outdoor use and a good gift for others. Package includes: 1x Pair of Heated Shoe insoles 1x USB Cable Listing and template services provided by inkFrog