- Carbon heating elements, flexible and ultra-flat, radiate heat with infrared rays (up to 45 ° C / 113 ° F) so as to maintain a comfortable temperature without disturbing you.
- Temperature: selectable on three power levels by clicking the button on the battery (low - medium - high)
- Batteries positioned in a small internal pocket on the upper part of the calf, can feed the heating circuit for up to 7 hours
- Li-ion battery 7.4V - 2200mAh
- Materials: special cotton and spandex make the socks soft and comfortable, a nylon and polyester protection on the calves protects against wear
- Hand washable in water 30 ° C (86 ° F)
- Sizes: EU S / M 35> 39 (US 4> 7) - EU L / XL 40> 46 (US 7.5> 12.5)
N.B. Batteries and chargers included in the package (can also be purchased separately as a spare)