The Undefeated x Nike Air Jordan 4 Retro OG SP 2025 Green Men’s Size 13 is a highly sought-after sneaker collaboration featuring a low top shaft style with a nubuck upper material in a deep green colorway. This athletic shoe belongs to the Air Jordan product line and is part of a retro theme release from 2025, making it a valuable addition to any collector’s inventory. With a unique style code and a size 13 fit for men, this shoe combines style and performance in one iconic package.
Size chart
👞 Men’s Size Chart
US Size
EU Size
UK Size
Foot Length (mm)
Foot Length (inch)
Insole Length (mm)
Insole Length (inch)
Outsole Length (mm)
Outsole Length (inch)
5
37.5
4.5
228
9.0
233
9.2
238
9.4
6
39
5.5
240
9.4
245
9.6
250
9.8
7
40
6
260
10.2
265
10.4
270
10.6
7.5
40.5
6.5
266
10.5
271
10.7
276
10.9
8.5
42
7.5
273
10.7
278
10.9
283
11.1
9.5
43
8.5
279
11.0
284
11.2
289
11.4
10
44
9
286
11.3
291
11.5
296
11.7
11
45
10
292
11.5
297
11.7
302
11.9
12
46
11
299
11.8
304
12.0
309
12.2
13
47
12
305
12.0
310
12.2
315
12.4
14
48
13
312
12.3
317
12.5
322
12.7
👠 Women’s Size Chart
US Size
EU Size
UK Size
Foot Length (mm)
Foot Length (inch)
Insole Length (mm)
Insole Length (inch)
Outsole Length (mm)
Outsole Length (inch)
5.5
36
3
234
9.2
239
9.4
244
9.6
6
37
3.5
240
9.4
245
9.6
250
9.8
7
38
4.5
247
9.7
252
9.9
257
10.1
8
39
5.5
253
10.0
258
10.2
263
10.4
9
40
6.5
260
10.2
265
10.4
270
10.6
10
42
7.5
273
10.7
278
10.9
283
11.1
11
43
8.5
279
11.0
284
11.2
289
11.4
11.5
43.5
9
286
11.3
291
11.5
296
11.7
12
44
9.5
292
11.5
297
11.7
302
11.9
PLEASE READ THE SIZE CHART CAREFULLY AS WE DO NOT ACCEPT RETURNS/ EXCHANGES IN CASE OF THE WRONG SIZE.