Heat2go Unisex Thermal Soles

Extremely flat, cable-free and rechargeable heating insoles with integrated thermostat sensors that measure the current foot temperature and adjust it immediately. This ensures the perfect foot climate. Health-promoting ergonomically shaped sole, suitable for any shoe. With integrated high-performance battery. Operating time depending on outside temperature up to max. 8. hoursSizes: S (36-37.5), M (38-40), L (40-42), XL (42.5-44), 2XL (44.5-46).