Size Guide - Xero Shoes Aqua Sport

Size Inner length Inner width
40.5 21.1 9
41 25.4 9.1
41.5 25.8 9.2
42 26.1 9.3
42.5 26.5 9.4
43 27 9.5
43.5 27.5 9.6
44 28.2 10