I wear a 10 and ordered a 10. When I stand or walk it feels as though my toes are near the end (not the top) but my heel slips and the liner comes off when I take them off. They just feel big all over so I guess I should have gotten a 9 but thought they'd be small, don't think they had 1/2 sizes. Now they're out and I'm stuck with the 10's. Maybe some insole and heel pads from the Dr. Scholl's racks and thicker socks will help. I don't know why some people say they run big, some small and others true. At least for me they were big, a 1/2 or whole size I'm not sure. Otherwise love them.