Patented Metatarsal Riser, Arch Support, and Deep Heel Cup help relieve common foot pain, flat feet pain, arch pain, heel pain, plantar fasciitis, shin splints and metatarsalgia. Patented Metatarsal Riser Support Pad encourages proper bio-mechanics, resists over pronation (rolling inward at the ankles), and relieves forefoot pain. Polyurethane arch support holds the foot in its natural alignment and molds to the individual user's arch shape.