Soleassage insole absorbs shock while massaging your steps as you walk. Bungee toggle closure allows easy adjustability. Rubber outsole provides long-lasting durability and sure-footed traction. Suede upper, fabric upper lining, EVA sockliner, insole and midsole, rubber outsole. Care: Wipe off with a damp cloth. Air dry. Sole Material: Rubber Closure: Bungee Heel Type: Flat Only flaw: my pup thought the rubber was fun to chew. Hence, some puppy teeth marks on rubber. Unless you’re looking closely, not noticeable!