Foot Warmers are heating devices used to warm the feet.
About Insoles:
Insoles are foot-shaped pieces of material that are inserted in footwear to give extra comfort and support to the foot. Insoles may also function to assist in the proper fitting of shoes.
About Therapeutic:
Therapeutic refers to any product that is designed to treat and restore health. Therapeutic footwear designs are focused on proper fitting, pain relief, cushioning and balance as well as foot problems such as bunions, corns, calluses, and hammertoes.