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Hotronic FootWarmer S4 Custom

Hotronic FootWarmer S4 Custom

Hotronic FootWarmer S4 Custom

Sturtevant's Price: $249.00
SKU: #1336027
In Stock Items:
Out of stock
Customer Reviews


  • Offers up to a combined 30% increase in higher average temperatures and longer durations on a single full charge.
  • Maintains up to 55% of a full charge and 95% of the initial capacity after four years of non-use!
  • Provides power when needed most, in the cold!
  • Installs in all types of footwear.
  • Transfers from one pair of footwear to another.
  • Use while skiing, snowboarding, bicycling, horseback riding, and during other general cold-temperature activities.


  • For installation in Hotronic’s Heat Ready Insoles or on custom insoles, orthotics, or insoles of one’s own choice.


  • Offer three (3) base level settings for comfort and warmth maintenance.
  • Provide a fourth (4th) “timed” setting for an extra blast of heat.
  • Powered by high capacity, cold temperature operation, NiMH AA cells.
  • NiMH cells do NOT have a “memory effect” and do not require fully discharging before fully recharging.
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