The Rundown
Your gateway to everyday speed.
Behold our lightest, most responsive Mach to date. This lively trainer has been fine-tuned for extra energy return with a super critical foam midsole and updated for enhanced durability with strategic rubber coverage in the outsole. Implementing speed focused design details throughout, we’ve enlisted a new creel jacquard upper with zonal breathability and an internal gusset to deliver the foot-hugging comfort required to set your next PR.
Item No. 1147810
Best For:
Road Running
Race
Features:
Creel jacquard upper
Streamlined collar foam package
Dual internal gusset
Super critical foam midsole
Strategic rubber outsole coverage
Anatomical tongue
Vegan
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 |
