Foot warmers designed for cold feet. The insoles are self-adhesive and are attached to the outside of the sock under the foot.
Activates as soon as the package is opened and maintains a temperature of around 40°C for up to 8 hours. Foot warmers are popular for keeping warm during skiing trips, in the mountains, or during hunting season.
- Keeps warmth for up to 8 hours
- Reaches a medium temperature of about 40°C
- Activates immediately upon contact with oxygen
- Contains natural ingredients