Get a grip! No, seriously! The Sanuk On The Rocks Sandal comes adventure-ready, with smiles aplenty, thanks to its very own comfort-contoured rubber outsole. The sandal features a three-point synthetic leather upper with a nylon webbing liner and toe post; a die-cut, high-rebound Instaplay footbed with supportive arch cookie; and a durable molded rubber outsole for reliable grip. Medium width. Imported.