Alcyone and Omnia sneakers: We suggest ordering half to a full size larger than your AU/US street shoe size.

Womens Sizing
Classic Boost AU/US UK EU JPN
4 3 1 34
4.5 3.5 1.5 34.5
5 4 2 35
5.5 4.5 2.5 35.5
6 5 3 36
6.5 5.5 3.5 36.5 22
7 6 4 37 22.5
7.5 6.5 4.5 37.5 23
8 7 5 38 23.5
8.5 7.5 5.5 38.5 24
9 8 6 39 24.5
9.5 8.5 6.5 39.5 25
10 9 7 40 25.5
10.5 9.5 7.5 40.5 26
11 10 8 41 26.5
11.5 10.5 8.5 41.5 27
12 11 9 42
12.5 11.5 9.5 42.5
13 12 10 43
13.5 12.5 10.5 43.5
Mens Sizing
Classic Boost US AU/UK EU JPN
7.5 5 4.5 38.5
8 5.5 5 39 23.5
8.5 6 5.5 39.5 24
9 6.5 6 40 24.5
9.5 7 6.5 40.5 25
10 7.5 7 41 25.5
10.5 8 7.5 41.5 26
11 8.5 8 42 26.5
11.5 9 8.5 42.5 27
12 9.5 9 43 27.5
12.5 10 9.5 43.5 28
13 10.5 10 44 28.5
13.5 11 10.5 44.5 29
14 11.5 11 45 29.5
14.5 12 11.5 45.5 30
15 12.5 12 46
15.5 13 12.5 46.5
16 13.5 13 47
Childrens Sizing
Classic Boost US AU/UK EU
4 13.5 13
4.5 1 13.5 33
5 1.5 1 34
5.5 2 1.5
6 2.5 2 35
6.5 3 2.5
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