THERM-IC S-Pack 700 B Replacment Battery Size:ONE SIZE A sure choice that delivers

A sure choice that delivers within its core area

An uncompromising carbon alpine ski pole designed for optimal balance

The S-Pack 1400 Bluetooth battery is the most efficient in the range

It's available for Shimano or Sram XD-Road cassettes and can convert to Campagnolo with an optional driver body

THERM-IC S-Pack 700 B Replacment Battery Size:ONE SIZE A sure choice that deliversWith the S Pack 700 Bluetooth battery, you can control your heat remotely using your smartphone. Specifications: Bluetooth function Warm feet for up to 8 hours Wall charger not supplied S Pack batteries are suitable for use with the Therm ic PowerSocks heated socks