S-Pack 700B - Batteries for Heated Socks Warm Compatible with USB charging (5V/2A

Compatible with USB charging (5V/2A wall cube required)

Waterproofness: 10K/10K membrane for protection against the rain and great breathability

Targeted comfort zones at shin

and built for advanced skiers who require a low-bulk fit inside close-fitting ski boots

T® heated ski socks are engineered for skiers who want precision

S-Pack 700B - Batteries for Heated Socks Warm Compatible with USB charging (5V/2AThe S Pack 700B battery pack delivers up to 7 hours of warmth and lets you control your Therm ic or SIDAS heated socks via Bluetooth on your smartphone. Set includes two Bluetooth enabled rechargeable batteries and a dual USB charging cable (charging cube not included). What's Included 2 S Pack 700B rechargeable batteries 1 USB charging cable (dual charging) charging cube NOT included Heating Duration Level 1: up to 7 hours Level 2: up to 4 hours