L425 - Our orthotic for low arches to flat feet with forefoot pain, featuring a posted heel to control over-pronation and provide balance. Also has a metatarsal pad to redistribute weight to relieve ball-of-foot discomfort.Details: Top Cover Material: CopperGuardandreg antimicrobial liningCenter Cushioning Material: Pro-Shoxandreg polyurethane to absorb shock and reduce impactPerformance Base: Aerocellandtrade polyurethane for high energy returnInsole Thickness: .2165""Recommended for: Hikers, Walkers and Everyday ActivitiesBest for: Hiking boots, Walking shoes, Everyday shoes, sneakers and boots