The listing, Heat Factory, Toe Warmer Pair has ended.
Toe Warmer Pair
Heat Factory Toe Warmers are designed to heat in the restricted air environment of a shoe or boot for up to 6 hours. The half moon shaped Toe Warmer adheres to the bottom of your sock for comfortable warmth. Ideal for daily use in shoes, ski boots, or whenever toes are cold. Not intended for use in open air.
Also used with Heat Factory Socks, sold separately. Ideal for use when fishing, hunting, skiing, or sitting around the camp fire. The Heat Factory warmer is a soft, lightweight pouch containing a biodegradable mixture of iron powder, charcoal, salt, sawdust and vermiculite. When exposed to the air, an oxidation process takes place that generates heat. Heat Factory warmers are specially engineered to provide heat that is long-lasting, comfortable, and even. Socks are not included, these Heat Factory Toe Warmers can be used with any socks that you already own!
Heat Factory warmers can even be saved for later use (preferably within a week) if placed in an airtight container. Unopened, the Heat Factory warmer has a shelf life of three years or more.