Therm-ic  Ultra Warm Performance Socks S.E.T + S-Pack 4000B Batteries

• Designed for skiers who like fitted socks, they have an optimal fit in ski boots and provide subtle warmth around the toes without compromising comfort
• Slim construction combined with Smart Elastic® Technology (S.E.T.®), ensures that the fit in the boots is unaltered for maximum comfort and feel
• Thin (2 mm) S.E.T® heating line is discreetly integrated into the socks to diffuse subtle warmth around the toes without impacting the fit of the socks in the shoes
• Polyamide fibers, which provide tension around the foot and leg, ensure that the socks fit snugly and support the feet during exercise
• Thermoregulating knitting technologies combine with merino wool to provide perfect insulation and breathability
• The heat-insulating structures and breathable systems have been strategically positioned to work in support of the S.E.T.®
• Moisture-Vent Technology in the arches absorbs moisture from the skin and transports it to the outside with micro-channels to facilitate breathability and keep your feet dry
• S-4000B lithium batteries with Bluetooth capabilities offer up to 20 hrs. of heat at the lowest setting
• Quick and easy to attach the batteries with snaps
• Bluetooth-compatible so you can control the heating from your smartphone
• Set includes: 1 pair of Ultra Warm Performance Socks, 1 pair of S-4000B batteries and a USB-C charging cable
• USB wall charge cube is not included

Imported.