A widely published medical study indicated that high-performance silicone heel cushions often relieve sore, aching heels (plantar fasciitis) more effectively than custom orthotics costing hundreds of dollars. The clear medical grade silicone absorbs the foot-shock forces that aggravate heel pain. Contoured to cradle the heel, these technologically advanced cushions feature a second extra-soft, red silicone insert to add even more relief where it's needed most. Hand washable. Specify men's/women's shoe size. Click Here for Size Chart