I purchased this at a shop about 20 years ago. The size is L, and I believe it's a size 13 or larger. It broke once, and the ring part came off, so I took it to the shop for repair. They seemed to have fixed it with a soldering iron, and there are marks from the repair. The logo part hasn't changed much since I bought it and is still clean. I liked it, but I didn't use it much and kept it in storage. The box is not in good condition. Thank you. ☺️