Heat Factory Foot Warmers work with pocket socks or heated foot beds.
Those are designed for use in environments with restricted air-flow such as a shoe or a boot.
- Each Foot Warmer provides up to 6 hours of instant long-lasting heat
- Safe, non-toxic and odorless heat warmers are pre-mixed with a biodegradable mixture of ingredients that heat when exposed to air
- Designed to fit inside the Heat Factory Footbed and Heat Factory Pocket Socks (sold separately)
- Unopened, the Foot Warmer has a shelf-life of three years or more
- Foot Warmers proudly made in the USA