The Reef Phantom Sandals in Black, size UK 11, are designed for ultimate comfort and durability. These flip-flops are a staple for beach life, offering built-in comfort to withstand any adventure. They feature padded jersey-lined straps with outboard lasted construction for enhanced comfort. The Cushion Bounce technology provides high energy rebound for effortless comfort, thanks to the rubber sponge outsole. With Reef's signature anatomical arch support and heel cupping, the Phantom sandal ensures your feet stay comfortable wherever you go. The upper and lining are made of synthetic materials, and the sole is rubber. They are a slip-on style with a round toe shape and a flat heel height. These lightweight and breathable sandals also offer arch support.