Designed for athletes. Triple Zone Protection: Ball of Foot - Padding to improve cushioning. Arch - Reinforced to support foot. Heel - Deep heel cup to absorb impact with every step. Helps prevent pain from shin splints, runner's knee and plantar fasciitis. During athletic activity, the foot is subject to the shock from impact of 2-3 times your body weight with every step. Active Series insoles reduce shock by 40% and, for those with shin splints, runner's knee and plantar fasciitis, helps relieve and prevent the pain. Designed with triple zone protection. Heel: Heel pad absorbs impact yet is very responsive. Arch: Unique arch design improves transition of weight from landing to push-off. Ball of Foot: Thick ball of foot helps distribute pressure throughout push-off. SweatMax technology helps eliminate odor. Dr. Scholl's Guarantee: If you are not completely satisfied with your purchase, mail in the original UPC code from the package along with your sales receipt to MSD Consumer Care, Inc., PO Box 377, Memphis, TN 38151 for a replacement or refund. A subsidiary of Merck & Co., Inc. drscholls.com. Made in China.