Barefoot shoes sizing chart

How do I find my size?

Barefoot shoes (mm)

Insole length EU size Width
(standard)
Width
(wide - "w")
231 36 91 99
237 37 93 100
245 38 95 103
252 39 96 104
258 40 97 105
266 41 98 105
271 42 99 106
279 43 100 108
286 44 102 108
291 45 103 110
298 46 104 113
301 47 106 116