All KEEN footwear is in US sizes. Use these charts to find your size.
How to measure your foot
- Place a piece of paper against a wall.
- Stand on it with your heel against the wall.
- Mark where your longest toe ends (both feet).
- Measure from the edge of the paper to each mark in centimetres.
- Use the longer foot and match it to the chart below.
Men's
| US |
UK |
JP |
EU |
Heel to toe |
| 7 |
6 |
25cm |
39.5 |
24.4cm |
| 7.5 |
6.5 |
25.5cm |
40 |
24.8cm |
| 8 |
7 |
26cm |
40.5 |
25.4cm |
| 8.5 |
7.5 |
26.5cm |
41 |
25.7cm |
| 9 |
8 |
27cm |
42 |
26cm |
| 9.5 |
8.5 |
27.5cm |
42.5 |
26.7cm |
| 10 |
9 |
28cm |
43 |
27cm |
| 10.5 |
9.5 |
28.5cm |
44 |
27.3cm |
| 11 |
10 |
29cm |
44.5 |
27.9cm |
| 12 |
11 |
30cm |
46 |
28.6cm |
| 13 |
12 |
31cm |
47 |
29.4cm |
Women's
| US |
UK |
JP |
EU |
Heel to toe |
| 5 |
2.5 |
22cm |
35 |
21.6cm |
| 6 |
3.5 |
23cm |
36 |
22.5cm |
| 6.5 |
4 |
23.5cm |
37 |
23cm |
| 7 |
4.5 |
24cm |
37.5 |
23.5cm |
| 7.5 |
5 |
24.5cm |
38 |
23.8cm |
| 8 |
5.5 |
25cm |
38.5 |
24.1cm |
| 8.5 |
6 |
25.5cm |
39 |
24.6cm |
| 9 |
6.5 |
26cm |
39.5 |
25.1cm |
| 9.5 |
7 |
26.5cm |
40 |
25.4cm |
| 10 |
7.5 |
27cm |
40.5 |
25.9cm |
All gender
| All gender |
US M |
US W |
EU |
| 4 |
4 |
5.5 |
35.5 |
| 4.5 |
4.5 |
6 |
36.5 |
| 5 |
5 |
6.5 |
37 |
| 5.5 |
5.5 |
7 |
38 |
| 6 |
6 |
7.5 |
38.5 |
| 6.5 |
6.5 |
8 |
39 |
| 7 |
7 |
8.5 |
39.5 |
| 7.5 |
7.5 |
9 |
40 |
| 8 |
8 |
9.5 |
40.5 |
| 8.5 |
8.5 |
10 |
41 |
| 9 |
9 |
10.5 |
42 |
| 9.5 |
9.5 |
11 |
42.5 |
| 10 |
10 |
11.5 |
43 |
| 10.5 |
10.5 |
12 |
44 |
| 11 |
11 |
12.5 |
44.5 |
| 12 |
12 |
13.5 |
46 |
| 13 |
13 |
14.5 |
47 |
Kids (children)
| US |
UK |
JP |
EU |
Foot length |
| 8 |
7 |
15cm |
24 |
14.6cm |
| 9 |
8 |
16cm |
25/26 |
15.6cm |
| 10 |
9 |
17cm |
27/28 |
16.5cm |
| 11 |
10 |
18cm |
29 |
17.1cm |
| 12 |
11 |
18.5cm |
30 |
18.1cm |
| 13 |
12 |
19.5cm |
31 |
19.1cm |
Kids (youth)
| US |
UK |
JP |
EU |
Foot length |
| 1 |
13 |
20cm |
32/33 |
19.7cm |
| 2 |
1 |
21cm |
34 |
20.6cm |
| 3 |
2 |
22cm |
35 |
21.6cm |
| 4 |
3 |
22.5cm |
36 |
22.2cm |
| 5 |
4 |
23.5cm |
37 |
23.2cm |
| 6 |
5 |
24.5cm |
38 |
24.1cm |
| 7 |
6 |
25.5cm |
39 |
24.8cm |
