Reef Spiniker Mid Nb Men's Shoes. These boots can weather anything, but they’re definitely inspired by the beach. The premium leather upper with distressed finishing keeps them casual, the Swellular rubber outsole gives great wet or dry traction and the injection molded cushion insole makes them feel as light as the wind. Figuratively speaking.. Injection molded cushion insole. 10mm heel-to-toe offset for comfort. Swellular traction rubber outsole.