Technical, soft and breathable ski socks that heat the foot. Special micro-channel construction for efficient moisture evacuation while providing maximum comfort at the sensitive parts of the foot and leg: shin, calf and instep. Featuring Moisture-Vent Technology for efficient evacuation of the moisture generated by the foot arch, plus micro-channels all around the foot to draw moisture out of the ski boot, boosting foot breathability. Technical socks made from luxury fibres for the most demanding skiers. These Heat Fusion Powersocks provide gentle, pleasant warmth all around the toes, with up to 16 hours of heat depending on the battery used. Choice of three heating levels to suit every heating requirement. They are Bluetooth-compatible, making it easy to adjust the heat intensity from your smartphone. Batteries sold separately