Sidas Foot Warmer – a chemical heating pad in the form of insoles will warm up frozen feet. They begin to heat up when in contact with air. Thin and practical insoles are suitable for all types of shoes and for all types of outdoor activities. Four different sizes guarantee the best fit for your foot, and the self-adhesive surface on the sole keeps it in place in the shoe during any activity. The insoles provide up to 8 hours of warmth from the moment the package is opened.

Features

• Provides up to 8 hours of warmth
• Activated upon contact with air
• Odorless
• Eco-friendly, only natural substances
• Self-adhesive surface holds the insoles in place