Heat Factory, Inc. Footwarmer Insole, Pair

The Heat Factory Footwarmer Insole is a soft, light-weight pouch containing an inert mixture of iron powder, charcoal, salt, water and vermiculite. When exposed to air, a natural exothermic reaction generates consistent and prolonged heat. The insole pouch is made of soft cloth lined with a very thin layer of porous plastic for maximum durability. Peel back the adhesive backing and press warmer to outside of sock underneath foot.

Contains Lithium Battery/s: No
Heat Factory 1958 Adhesive
Footwarmer Insole, Pair
Model: 1958
Options: Heated Insole