Depending on the shoe I've either size 44 or 45. In Rieker me fits in unlined shoes 44, in fed shoes is 44 always a bit short. Therefore 45 ordered. Front of shoe fits ok. Length fits, some space up front - so hell be really. But above totally relaxed, so I take off while running with his heel in the shoe. Why are there zippers if not firmly seated after the closing? Strange. So packed right back and back to Amazon