Aetrex Serena Taupe Ar2104
It's motion made easy from heel to toe. Built for comfort while walking, the Serena combines sporty style with advanced support for everyday wear. The premium leather upper and classic lace-up design create a versatile look, while BioRocker™ Technology helps promote a smoother walking experience by reducing stress on the heel and ball-of-foot as you move. Complete with lightweight UltraSky™ cushioning, a padded heel, a removable insole, and built-in Aetrex Signature Arch Support, Serena delivers lasting comfort and stability throughout the day.
Each Aetrex shoe is anatomically designed based on data and learnings from over 50 million global foot scans. This ensures you're getting the best fit for your feet and premium support for your body from the ground up.
Size Conversions
The size charts below show conversions between different footwear sizes. Please be aware that shoe size can vary between different brands, so these charts provide an indication only - if you are unsure of your size, please contact us and we'd be happy to help.
Mens Footwear
| US & Canada |
UK |
Europe |
Inches |
Centimeters |
| 6 |
5.5 |
39 |
9.3 |
23.5 |
| 6.5 |
6 |
39 |
9.5 |
24.1 |
| 7 |
6.5 |
40 |
9.6 |
24.4 |
| 7.5 |
7 |
40-41 |
9.8 |
24.8 |
| 8 |
7.5 |
41 |
9.9 |
25.4 |
| 8.5 |
8 |
41-42 |
10.1 |
25.7 |
| 9 |
8.5 |
42 |
10.3 |
26 |
| 9.5 |
9 |
42-43 |
10.4 |
26.7 |
| 10 |
9.5 |
43 |
10.6 |
27 |
| 10.5 |
10 |
43-44 |
10.8 |
27.3 |
| 11 |
10.5 |
44 |
10.9 |
27.9 |
| 11.5 |
11 |
44-45 |
11.1 |
28.3 |
| 12 |
11.5 |
45 |
11.3 |
28.6 |
| 13 |
12.5 |
46 |
11.6 |
29.4 |
| 14 |
13.5 |
47 |
11.9 |
30.2 |
| 15 |
14.5 |
48 |
12.2 |
31 |
| 16 |
15.5 |
49 |
12.5 |
31.8 |
Womens Footwear
| US & Canada |
UK |
Europe |
Inches |
Centimeters |
| 4 |
2 |
35 |
8.2 |
20.8 |
| 4.5 |
2.5 |
35 |
8.3 |
21.3 |
| 5 |
3 |
35-36 |
8.5 |
21.6 |
| 5.5 |
3.5 |
36 |
8.8 |
22.2 |
| 6 |
4 |
36-37 |
8.9 |
22.5 |
| 6.5 |
4.5 |
37 |
9.1 |
23 |
| 7 |
5 |
37-38 |
9.3 |
23.5 |
| 7.5 |
5.5 |
38 |
9.4 |
23.8 |
| 8 |
6 |
38-39 |
9.5 |
24.1 |
| 8.5 |
6.5 |
39 |
9.7 |
24.6 |
| 9 |
7 |
39-40 |
9.9 |
25.1 |
| 9.5 |
7.5 |
40 |
10 |
25.4 |
| 10 |
8 |
40-41 |
10.2 |
25.9 |
| 10.5 |
8.5 |
41 |
10.3 |
26.2 |
| 11 |
9 |
41-42 |
10.5 |
26.7 |
| 11.5 |
9.5 |
42 |
10.7 |
27.1 |
| 12 |
10 |
42-43 |
10.9 |
27.6 |
Big Kids' Footwear (7 - 12 Years)
| US & Canada |
UK |
Europe |
Inches |
Centimeters |
| 3.5 |
2.5 |
35 |
8.6 |
21.9 |
| 4 |
3 |
36 |
8.8 |
22.2 |
| 4.5 |
3.5 |
36 |
9 |
22.9 |
| 5 |
4 |
37 |
9.1 |
23.2 |
| 5.5 |
4.5 |
37 |
9.3 |
23.5 |
| 6 |
5 |
38 |
9.5 |
24.1 |
| 6.5 |
5.5 |
38 |
9.6 |
24.4 |
| 7 |
6 |
39 |
9.8 |
24.8 |
Little Kids' Footwear (4 - 7 Years)
| US & Canada |
UK |
Europe |
Inches |
Centimeters |
| 10.5 |
9.5 |
27 |
6.6 |
16.8 |
| 11 |
10 |
28 |
6.8 |
17.1 |
| 11.5 |
10.5 |
29 |
7 |
17.8 |
| 12 |
11 |
30 |
7.1 |
18.1 |
| 12.5 |
11.5 |
30 |
7.3 |
18.4 |
| 13 |
12 |
31 |
7.5 |
19.1 |
| 13.5 |
12.5 |
31 |
7.6 |
19.4 |
| 1 |
13 |
32 |
7.8 |
19.7 |
| 1.5 |
14 |
33 |
8 |
20.3 |
| 2 |
1 |
33 |
8.1 |
20.6 |
| 2.5 |
1.5 |
34 |
8.3 |
21 |
| 3 |
2 |
34 |
8.5 |
21.6 |
Toddlers' Footwear (9 Months - 4 Years)
| US & Canada |
Europe |
UK |
Inches |
Centimeters |
| 3.5 |
19 |
2.5 |
4.3 |
10.8 |
| 4 |
19 |
3 |
4.5 |
11.4 |
| 4.5 |
20 |
3.5 |
4.6 |
11.7 |
| 5 |
20 |
4 |
4.8 |
12.1 |
| 5.5 |
21 |
4.5 |
5 |
12.7 |
| 6 |
22 |
5 |
5.1 |
13 |
| 6.5 |
22 |
5.5 |
5.3 |
13.3 |
| 7 |
23 |
6 |
5.5 |
14 |
| 7.5 |
23 |
6.5 |
5.6 |
14.3 |
| 8 |
24 |
7 |
5.8 |
14.6 |
| 8.5 |
25 |
7.5 |
6 |
15.2 |
| 9 |
25 |
8 |
6.1 |
15.6 |
| 9.5 |
26 |
8.5 |
6.3 |
15.9 |
| 10 |
27 |
9 |
6.5 |
16.5 |
Infants' Footwear (0 - 9 Months)
| US & Canada |
UK |
Europe |
Inches |
Centimeters |
| 0 |
0 |
15 |
3.1 |
7.9 |
| 1 |
0.5 |
16 |
3.5 |
8.9 |
| 1.5 |
1 |
17 |
3.6 |
9.2 |
| 2 |
1 |
17 |
3.8 |
9.5 |
| 2.5 |
1.5 |
18 |
4 |
10.2 |
| 3 |
2 |
18 |
4.1 |
10.5 |