Hotronic FootWarmer S4 Universal
2 S4 Power Plus Battery Packs, with four cells and one 1 Recharger (back compatible with e and m series Battery Packs)
2 Heating Elements,1 pair of Cambrelle Covers and Strips, and 1 pair of Hotronic’s One Size Fits All – Heat Ready Insoles.
Keep feet warm inside ski boots or easily transfer to other footwear
Three base level settings for maintaining warmth, and a fourth setting offers an extra blast of heat
The new S series batteries offer more than ever before, including enhanced reliability, longevity, and performance
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