Sole sizes are US. Label shows UK. M = Men's W = Women's Crocs for Everyone: With a color and style for every personality, the Classic Clogs are the Crocs women and men need to start a comfort revolution around the world Lightweight and Fun: The Crocs for men and women feature lightweight Iconic Crocs Comfort. Ventilation ports add breathability and help shed water and debris quickly Designed To Fit: These slip-on clogs are easy to take on and off, while being extremely durable. These Crocs even offer pivoting heel straps for a more secure fit Wear for Any Occasion: These men's and women's Crocs serve as ideal house shoes but also ideal for the beach, pool, gym, shower, walking or even gardening