L2320 - Our orthotic for low arches to flat feet with no forefoot pain, featuring a posted heel to control over-pronation and provide balance.Details: The most memory foam of any orthotic we sellTop Cover Material: CopperGuardandreg lining and microfiber for comfortCenter Cushioning Material: lQl50andtrade Memory Foam for superior cushioningPerformance Base: Aerocellandtrade polyurethane for high energy returnInsole Thickness: .25"" overall with 43% more memory foam in the forefootRecommended for: Walkers, Nurses, Doctors, Teachers, Chefs and those who are on their feet oftenBest for: Everyday casual shoes