Hotronic Hotronic S4 Ski Boot Heater

S SERIES FOOTWARMER

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!
WHEREVER ONE GOES - WHATEVER ONE DOES
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.