Details:The most memory foam of any orthotic we sellTop Cover Material: CopperGuardandreg antimicrobial 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 causal shoes