I love these clogs and previoulsy had a smaller size and have been looking all over for these.  I normally wear a size 9 1/2 wide, so I chose the size 41 is equal to a size 10 and it fits.  I love wearing socks, so the wider size fits well and my toes and high arch feel better in the larger size.  I might add an insole to it because it is a bit long in the back.  Too bad they do not offer a wider size.  I am very happy with my purchase and will be looking to add the red and green to my shoe collection soon. I do not mind the new backing, but did prefer the black rubber instead of the white soles.