No power or battery needed. But these Air Fit Room Shoes will definitely keep your toes toasty during the colder months as you lounge around the house. In a Japanese home you always take your shoes off at the entrance and will then typically put on slippers. However, slippers are not often the warmest of footwear for the chillier seasons, so why not try these "room shoes" instead?
Made from similar designs to the footwear used on the International Space Station, they provide the heat and protection of outdoor wear, while being clean and gentle just like socks or slippers. They are soft to the touch and are made of special materials to keep away odors and bacteria, while also preserving heat. They are even anti-static and have non-slip grip on the soles.
The Air Fit Room Shoes features: