From UGG®, the Goldenstar Suede Strap Platform Sandals feature: Suede upper Recycled polyester binding Heat-embossed UGG® logo Rear pull tab made from 100% recycled polyester fibers Adjustable hook and loop ankle strap Textile lining madefrom 100% recycled polyester fibers Sockliner textile made with 100% recycled polyester Contoured EVA footbed SugarSole™ EVAmidsole SugarSole™ EVA outsole Approx. 1.75" platform height These sandals have been worn a couple of times. They are very comfortable but I needed to go 1/2 size down and it is too late to return.