Silicone insole are used to relieve pain from plantar fasciitis, flat feet and heel bone spur, calluses, corns. The Silicone Insoles are constructed from silicone, with softer density-coloured inserts at the point of the heel that provide additional relief to sensitive areas. Silicone Insoles are anatomically designed to support longitudinal and transverse arches. The deep heel cup ensures superior comfort and control.