Rockport Women's Total Motion Wedge Ballet Flat 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 Lightweight comfort system designed to provide shock absorption in the heel and rebound at the forefoot. 6 mm of retention foam which provides full foot contact and support