Heat Factory 1958 Adhesive Footwarmer Insole, Pair

Manufacturer: Heat Factory

SKU: 0440-0019

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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.