The new Hotronic Footwarmer S4 Custom set is more powerful and longer lasting than ever before. Inside each battery pack are four rechargeable batteries that at the appropriate temperature on the lowest settings can last up to eighteen hours. Included in the S4 Custom set is two Battery Packs, one Recharger, two Heating Elements, two Caberelle Covers that are one sizes fits all, that work with any type of footbed, custom, pre-molded or stock. Warmer feet improve your balance; better balance improves your skiing.

Hotronic FootWarmer S4