Reef Fanning burgundy stripe 2016 Reef Fanning Prints are comfortable, anatomically shaped flip-flops with airbag heel cushioning, a molded EVA insole and a durable rubber outsole. Straps are made of synthetic nubuck, which is waterproof and very pleasant to the touch. The bottle opener is on the sole. MEN'S FROZENS ARE NUMBERED IN EUR SIZES !! MEN'S FEMALE NUMBERS