The Atomic Redster Heated Boot Bag 110V/220V will get your boots to exactly the right temperature, wherever you put them on. With their integrated heating system you can choose between Hot (70°C/150°F), Dry (60°C/130°F) and Warm (50°C/122°F). You have the option of a regular DC plug or a plug that works in your car. The extractable ground sheet makes sure you won’t get your socks wet when changing before or after a race. All this plus two stowable rucksack straps and a shoulder strap make it really easy to carry.