Rockport Women's Total Motion 20mm Cap Toe Skimmer w/ Medallion Black Fabric/Croc Cap Flat 8.5 M 100% Leather Imported Rubber sole Heel measures approximately 0.75" 20 millimeter wedge Theroplastic polyurethane midsole plate provides midfoot support and stability, theroplastic polyurethane wedge provides lightweight shock absorption to help reduce foot and leg fatigue Theroplastic polyurethane Outsole: Provides support and stability Foam-backed lining provides glove-like comfort ADIPRENE by adidas & ADIPRENE+ by adidas provides shock absorbing heel cushioning and resilient forefoot cushioning 6 mm of retention foam which provides full foot contact and support