The Hotronic Footwarmer S4 Custom Ski Boot Heater offers extra warmth in the cold. It installs in all types of footwear and can be transferred from your ski boots to your après footwear. Use while skiing, snowboarding, bicycling, horseback riding, and during other general cold-temperature activities. 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!
Easily install on surface of insoles with self-adhesive layer as found on bottom of Heating Elements.
Provide effective anatomical coverage of toes with large oval shape.
Flexible Stress Relief on Plug facilitates plugging into and unplugging from Battery Pack. Remains flexible down to subzero (°F) temperatures.
2 Battery Packs
2 Heating Elements
1 pair of Self-Adhesive Covers & Strips
Operating Instructions & Limited Warranty Card.
For installation in Hotronic's Heat Ready Insoles or on custom insoles, orthotics, or insoles of one's own choice.