ThermaCELL Heated Insoles ProFLEX Wireless & Rechargeable, X-Large the built-in vents allow steam

the built-in vents allow steam to escape so you can conveniently microwave food without removing the lid

fast deflate Boston valves on main hull chamber

Self Inflates

Premium quality silicone cushions help protect

Dacron material filter cartridges

ThermaCELL Heated Insoles ProFLEX Wireless & Rechargeable, X-Large the built-in vents allow steamThermaCELL Heated Insoles ProFLEX Wireless & Rechargeable, X Large, are just what you need to keep the cold at bay this winterkeeping your feet warm without getting them too hot and making them sweat. Its the best way to keep your feet warm while enjoying the great outdoors. ProFLEX offers even more comfort and ease of use than ThermaCELL Original Heated Insoles, utilizing a flexible polyurethane insole material, a comfortable and resilient Poron