The reef rover men's athletic inspired sandals. A key piece from our swellular technology, this active footwear features unparalleled comfort with maximum durability and traction to prevent slippage even when wet. Be safe and stay comfortable so you can focus on having fun. Introducing swellular technology: comfort support traction. Comfort: super soft contoured foam footbed for instant comfort. Support: medium density molded foam midsole for long-lasting support. Traction: high-density sawtooth rubber outsole for superior traction, protection and durability. Water friendly synthetic nubuck upper. Extra padded soft textile liner.