The S-Pack 700B is thin, compact, and compatible with all Sidas and Therm-ic heated socks.
Fitted with Bluetooth© technology, you can now control all 10 heat settings via your smartphone, using the Thermic Heat Control App.
- Includes 3 manually controllable heat settings via power button
- Keep your feet warm for up to 7 hours
- Includes a USB charger, wall cube not supplied