Sole sizes are US. Label shows UK. M = Men's W = Women's All Flip, No Flop: The Crocband Flip Flops for women and men are the ideal warm-weather choice that pairs well with shorts, slacks or swimwear Sporty Look And Feel: These flip flops for men and women are sporty and lightweight with the signature midsole racing stripe. They are ready for the beach, garden or anywhere you choose to get your summer on Lightweight and Fun: Incredibly light and easy to wear, the Crocs women's and men's flip flops are created with Croslite foam, featuring Iconic Crocs Comfort that offers all-day comfort and support Relaxed Comfort: The upper soles offer massage-pod footbeds that feel good on your feet. The men's and women's flip flops offer a roomier fit that feels more secure when flippin' around town. Colour: black