The Reef Men's Realtree Performance Sandals feature water-friendly synthetic nubuck uppers with a slip-on thong style. Contoured, compression-molded EVA footbeds with anatomical arch supports and 360° heel airbags enclosed in soft polyurethane ensure comfortable wear. The rubber outsoles with herringbone patterns provide traction and durability. Bottle opener on the bottom of 1 outsole. Molded TPU side straps with logo.