
BIRKENSTOCK’s QO400 safety shoe with a removable footbed offers firm grip and takes the strain off your feet, allowing you to stand and move around comfortably at work for many hours, even in demanding environments.
The QO400 has no lacing and is presented as a simple slip-on shoe. The nonslip and oil- and petrol-resistant outsole provides for energy absorption around the heel. The upper is made from water-resistant microfiber (WRU) and offers antistatic protection.
The shoe is certified in accordance with EN ISO 20347:2012 and meets the requirements of protection category O2.
- Removable, anatomically shaped cork-microfiber footbed
- Water-resistant microfiber (WRU) Upper
- Microfiber lined Footbed
- Nitrile rubber (SRC) Sole
- Nonslip and oil- and petrol-resistant outsole (SRC, FO);
- Energy absorption around heel (E);
- Antistatic protection (A)
- Safety shoe certified in accordance with EN ISO 20347:2012
- Protection category O2
WOMEN’S (US) |
AIGLE SIZES |
MEN’S (US) |
AIGLE SIZES |
KIDS (US) |
AIGLE SIZES |
4.5 - 5 |
35 |
6 - 6.5 |
38 |
2.5 (6 months) |
18 |
5.5 - 6 |
36 |
7 |
39 |
3 - 3.5 (9 months) |
19 |
6.5 - 7 |
37 |
7.5 |
40 |
4 - 4.5 (12 months) |
20 |
7.5 - 8 |
38 |
8 |
41 |
5 - 5.5 (12-18 months) |
21 |
8.5 - 9 |
39 |
8.5 |
42 |
6 (18-24 months) |
22 |
9.5 - 10 |
40 |
9 - 9.5 |
43 |
6.5 - 7 (2 - 2.5 yr.) |
23 |
10.5 - 11 |
41 |
10 - 10.5 |
44 |
7.5 (2.5 - 3 yr.) |
24 |
11.5 - 12 |
42 |
11 - 11.5 |
45 |
8 - 8.5 (3.5 - 4 yr.) |
25 |
12.5 - 13 |
43 |
12 - 12.5 |
46 |
9 - 9.5 (4 yr.) |
26 |
|
|
13 - 13.5 |
47 |
10 - 10.5 (4.5 yr.) |
27 |
|
|
14 |
48 |
11 - 11.5 (5 yr.) |
28 |
|
|
14.5 - 15 |
49 |
12 - 12.5 (5.5 yr.) |
29 |
|
|
16 |
50 |
13 (6 yr.) |
30 |
|
|
|
|
1 - 1.5 (6.5 yr.) |
31 |
|
|
|
|
2 (7 - 7.5 yr.) |
32 |
|
|
|
|
2.5 - 3 (8 - 8.5 yr.) |
33 |
|
|
|
|
3.5 (9 - 9.5 yr.) |
34 |
|
|
|
|
4 (12 yr.) |
35 |
|
|
|
|
4.5 |
36 |
|
|
|
|
5 - 5.5 |
37 |
|
|
|
|
6 |
38 |
WOMEN’S (US) |
GABOR SIZES (UK) |
EURO SIZES |
5 |
2 ½ |
35 |
5 ½ |
3 |
35 |
6 |
3 ½ |
36 |
6 ½ |
4 |
37 |
7 |
4 ½ |
37 |
7 ½ |
5 |
38 |
8 |
5 ½ |
38 |
8 ½ |
6 |
39 |
9 |
6 ½ |
40 |
9 ½ |
7 |
40 |
10 |
7 ½ |
41 |
10 ½ |
8 |
42 |
11 |
8 ½ |
42 |
11 ½ |
9 |
43 |
12 |
9 ½ |
44 |
AGE |
SIZE (US) |
|
NATURINO SIZES (IT) |
|
INFANT |
|
|
0 |
0 |
|
16 |
3 Months |
1 |
|
17 |
6 Months |
2 |
|
18 |
9 Months |
3 |
|
19 |
12 Months |
4 |
|
20 |
12 - 18 Months |
5 |
|
21 |
18 - 24 Months |
6 |
|
22 |
2 - 2½ Years |
7 |
|
23 |
2½ - 3 Years |
8 |
|
24 |
|
TODDLER |
|
|
3½ - 4 Years |
9 |
|
25 |
4 Years |
10 |
|
26 |
4½ Years |
10½ |
|
27 |
5 Years |
11 |
|
28 |
5½ Years |
12 |
|
29 |
|
CHILD |
|
|
6 Years |
13 |
|
30 |
6½ Years |
1 |
|
31 |
7 Years |
2 |
|
32 |
7½ Years |
3 |
|
33 |
8 Years |
4 |
|
34 |
8½ Years |
5 |
|
35 |
|
BOY |
GIRL |
|
|
5 |
5-6 |
36 |
|
5½ |
6-7 |
37 |
|
6 |
7-8 |
38 |
|
6½ |
8-9 |
39 |
|
7 |
9-10 |
40 |
SOCKWELL SIZE |
WOMEN'S |
MEN'S |
EU |
Small/Medium |
4 - 7.5 |
|
35 - 38 |
Medium/Large |
8 - 11 |
7 - 10 |
39 - 43 |
Large/Extra Large |
|
10.5 - 13 |
44 - 47 |
Extra Extra Large |
|
13.5 - 16 |
48 - 50 |
WOMAN
EU |
US |
UK |
SIZE / cm |
36 |
5-5.5 |
3,5 |
22,9 |
37 |
6-6.5 |
4,5 |
23,8 |
38 |
7-7.5 |
5 |
24,3 |
39 | 8-8.5 | 6 | 25,1 |
40 | 9-9.5 | 6,5 | 25,4 |
41 | 10-10.5 | 7,5 | 26,3 |
42 | 11-11.5 | 8 | 26,7 |
WOMAN
EU |
US |
UK |
SIZE / cm |
36 |
5-5.5 |
3,5 |
22,9 |
37 |
6-6.5 |
4,5 |
23,8 |
38 |
7-7.5 |
5 |
24,3 |
39 | 8-8.5 | 6 | 25,1 |
40 | 9-9.5 | 6,5 | 25,4 |
41 | 10-10.5 | 7,5 | 26,3 |
42 | 11-11.5 | 8 | 26,7 |
Finn Comfort Comparative Shoe Sizes
UK |
Euro Sizing |
US Men |
US Women |
1 |
33 |
1.5 |
3.5 |
1.5 |
|
2 |
4 |
2 |
34 |
2.5 |
4.5 |
2.5 | 35 | 3 | 5 |
3 | 3.5 | 5.5 | |
3.5 | 36 | 4 | 6 |
4 | 37 | 4.5 | 6.5 |
4.5 | 5 | 7 | |
5 | 38 | 5.5 | 7.5 |
5.5 | 6 | 8 | |
6 | 39 | 6.5 | 8.5 |
6.5 | 40 | 7 | 9 |
7 | 7.5 | 9.5 | |
7.5 | 41 | 8 | 10 |
8 | 42 | 8.5 | 10.5 |
8.5 | 9 | 11 | |
9 | 43 | 9.5 | 11.5 |
9.5 | 10 | 12 | |
10 | 44 | 10.5 | 12.5 |
10.5 | 45 | 11 | 13 |
11 | 11.5 | ||
11.5 | 46 | 12 | |
12 | 47 | 12.5 | |
12.5 | 13 | ||
13 | 48 | ||
13.5 | |||
14 | 49 | ||
14.5 | 50 | ||
15 |
foot length in cm |
size (EU) |
size (US) |
foot length in cm |
size (EU) |
size (US) |
|
22.2 | 35 | 4 | 25.1 | 40 | 7 | |
22.5 | 36 | 5 | 25.8 | 41 | 8 | |
23.4 | 37 | 6 | 26.5 | 42 | 9 | |
23.8 | 38 | 7 | 27.1 | 43 | 10 | |
24.6 | 39 | 8 | 27.8 | 44 | 11 | |
25.1 | 40 | 9 | 28.5 | 45 | 12 | |
25.8 | 41 | 10 | 29.1 | 46 | 13 | |
26.5 | 42 | 11 | 30 | 47 | 14 | |
30.5 | 48 | 15 | ||||
31 | 49 | 16 | ||||
31.5 | 50 | 17 |
