Reef PHANTOM II Mens Sandals in Grey/Navy. These flip-flops are designed for ultimate comfort and durability, making them a staple for beach life and summer adventures. They feature a water-friendly synthetic nubuck upper and Reef's anatomical arch support for continuous comfort. The three-layer construction includes a soft foam deck, a supportive midsole, and a high-density rubber outsole for excellent traction and protection, ensuring you can enjoy water activities without worry. No break-in period is required. Features: Comfort, Lightweight. Closure/Fastening: Slip-On. Heel Height: Flat (Under 2.5cm). Sandal Style: Flip-Flops.