S-Pack 1400 B Powersock Single Battery 630 g the Helio Binding leash uses

the Helio Binding leash uses a polyurethane spiral which acts as a spring to follow your movements while reducing the risk of getting tangled in branches

Providing warmth without overheating

Windproof and breathable GORE-TEX INFINIUM™ WINDSTOPPER® Micro Check lining

because that would be stupid

S-Pack 1400 B Powersock Single Battery 630 g the Helio Binding leash usesThe S Pack 1400 Bluetooth battery is the most efficient in the range. With Bluetooth technology, you can adjust the heat settings remotely using your smartphone. Specifications: Bluetooth function Warm feet for up to 16 hours Pack comes with a USB charger Wall charger not supplied S Pack batteries are suitable for use with the Therm ic PowerSocks heated socks