BACK 70 Size Guide

Consult the BACK 70 charts to compare European (EU) sizes with foot length. The men's chart also includes UK and US size conversions.

How to measure your foot

Place a sheet of paper on a flat surface and stand with your foot on the paper. Mark the heel and the tip of the longest toe, then measure the distance. Measure both feet and use the larger measurement. For the women's chart, use centimeters; for the men's chart, use millimeters.

Women

EU Size Foot Length (cm)
34.5 21.5
35 22
36 22.5
36.5 23
37 23.5
38 24
38.5 24.5
39 25
40 25.5
40.5 26
41 26.5
42 27
42.5 27.5
43 28
44 28.5

Men – official BACK70 chart

UK Size EU Size US Size Foot Length (mm)
3 35.5 4 220
4 37 5 229
5 38 6 237
6 39 7 246
7 40.5 8 254
7.5 41 8.5 258
8 42 9 262
8.5 42.5 9.5 266
9 43 10 271
9.5 44 10.5 275
10 44.5 11 279
10.5 45 11.5 283
11 46 12 288
12 47 13 296
13 48 14 305
14 49.5 15 314

Fit note: size conversions are approximate. Shoes should be tried on to ensure the correct fit.