Not only do these run extremely large (about 1" too big), the opening is big. You can easily slip on these boots without the zipper. When a boot has a zipper it's typically so you can unzip the boot, put it on and zip it back up...allowing you to wear standard cut jeans. Leather is extremely stiff also. Not great quality.
I'll use these in the winter and will wear them with super-thick socks.