Now with even more flexibility, the ThermaCELL Heated Insoles ProFLEX features a removable, rechargeable battery that can quickly be changed while the insole remains in your footwear.
The batteries can be charged by using the included wall charger or any USB port. Made for both men and women, the ProFLEX Insoles are customizable to fit any shoe size, are highly water resistant, function well in damp environments and work interchangeably with shoes, boots and waders.
More Info: www.thermacell.com
