Ecco Size Conversion

US UK EU
4 - 4.5 2.5 - 3 35
5 - 5.5 3.5 - 4 36
6 - 6.5 4 - 4.5 37
7 - 7.5 5 - 5.5 38
8 - 8.5 6 39
9 - 9.5 6.5 - 7 40
10 - 10.5 7.5 41
11 - 11.5 8 - 8.5 42
12 - 12.5 9 - 9.5 43