SIREN SIZE GUIDE

EU 35 36 37 37.5 38 38.5 39 40 41 42
AU 4-4.5 5-5.5 6-6.5 7 7-7.5 8 8-8.5 9 10 10.5-11
US 4-4.5 5-5.5 6-6.5 7 7-7.5 8 8-8.5 9 10 10.5-11