Rockport Women's Truwalk Zero II Penny Loafer 100% Leather Imported Synthetic sole Heel measures approximately 1" Rubber outsole provides a durable grip on a variety of surfaces Lightweight ethylene vinyl acetate outsole for shock absorption to help reduce foot and leg fatigue adidas adiPRENE sport technology cushioning in the heel to protect the heel at impact adidas adiPRENE+ sport technology cushioning in the forefoot provides a flexible and resilient push off with every stride truWALK architecture designed to aid and enhance the natural walking motion from a smooth heel to toe roll, to an easy forefoot flex