Dr. Scholl*s Insoles Air-Pillo UnisexPatented double layer system: top layer of soft cushioning foam provides long-lasting comfort; bottom layer of cushioning foam.bounces back time after time. Cooling vents help keep feet dry.Excellent shoe fit.Guaranteed comfort. Twice as thick as single foam store brand insoles for extra cushioning and comfort. Fits:Dress Shoes Work Shoes Casual ShoesDesigned for roomier shoes. Unisex fits: Women*s - sizes 6-10, Trim to fit. Men?s ? sizes 7-13, Trim to fit. Comfort Guarantee: We guarantee these insoles will provide cushioning comfort, shock absorption and fit. If you are not completely satisfied, return to Schering-Plough HealthCare Product, Inc., P.O. Box 377, Memphis , TN 38151 for replacement or refund.drscholls.com