The 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 on non-use. Provides power when needed most,
installs in all types of footwear and transfers from one pair of footwear to
another without hassle. Use while skiing, snowboarding, bicycling, horseback
riding and during other general cold-temperature activities.