If you are lost in translation, this guide should help. 

USA WOMEN
USA MEN
MEXICO EUR INCHES
5 3.5 22 35 8.6
5.5 4 22.5 35.5 8.8
6 4.5 23 36 9
6.5 5 23.5 37 9.2
7 5.5 24 37.5 9.4
7.5 6 24.5 38 9.6
8 6.5 25 39 9.8
8.5 7 25.5 39.5 10
9 7.5 26 40 10.2
9.5 8 26.5 41 10.4
10 8.5 27 41.5 10.6
10.5 9 27.5 42 10.8
11 9.5 28 42.5 11
11.5 10 28.5 43 11.2
10.5 29 44 11.4
11 29.5 44.5 11.6
12 30 46 11.8

 

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