Thank you for viewing. This is a standard supporter that has been used for many years. The size is free and is for general adult men. It's a standard Isami supporter. It has thick sponge padding to guard the shin and instep. Since the fingertips are exposed, it's easy to move and the shape makes it easy to practice kicking. I used it for about a year. I've switched to a supporter that covers the entire foot this time, so I'm selling this one because I no longer use it.