The S-Pack 1400 B is our most advanced Sock battery to date. Thin and compact, it is compatible with all Sidas and Therm-ic heated socks.

- Fitted with Bluetooth technology, you can now control remotely the heat settings via your smartphone, using the Thermic Heat Control App.

- Keep your feet warm for up to 14 hours
- Includes a USB charger, Wall Cube not supplied