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SKU: M5740SSG.
Color: Blue/Yellow/Pink.
Men Sizing.
New Balance 57/40 Blue.
Men’s Shoes.
WAVY.
The 57/40 gives the iconic 574 sneaker a bold, modern update. Drawing on elements from '80s and '90s fashion, this versatile shoe boasts an undefinable style that can pair with almost any vibe. The design combines a sleek, running-inspired silhouette with a balanced suede and mesh upper, soft underfoot cushioning, and a sturdy outsole for all-day comfort and effortless style.
More Details
- Leather, suede and textile upper.
- Stacked midsole blends classic and updated design language.
- 1980s inspired wavy mudguard and eyerow.
- Modified tread pattern outsole.
- Reflective details.
- Oversized ‘N’ branding.
- All sales are final on all launch products (not limited to Retro Jordans, Quickstrikes, Yeezys, etc.), swimwear/underwear products, discount, promotion, and sale items.
We take pride in being one of the fastest shippers in the shoe industry. Most orders placed Monday-Friday will be shipped out the same day or next day the latest. Packages are shipped using UPS Ground 4-5 day delivery with insurance.
**During sales events, due to higher than normal volume, our order processing time is delayed 5-7 business days.
All sizes listed on Private Sneakers are US sizes. If you are used to international sizes, please use the conversion chart(s) below. Also note, all apparel measurements are in inches. If you have any further questions, please contact Customer Service at socialmedia@privatesneakers.com
Nike Shoes
Men's | |||
US | European | UK | centimeters (cm) |
7.5 | 40.5 | 6.5 | 25.5 |
8 | 41 | 7 | 26 |
8.5 | 42 | 7.5 | 26.5 |
9 | 42.5 | 8 | 27 |
9.5 | 43 | 8.5 | 27.5 |
10 | 44 | 9 | 28 |
10.5 | 44.5 | 9.5 | 28.5 |
11 | 45 | 10 | 29 |
11.5 | 45.5 | 10.5 | 29.5 |
12 | 46 | 11 | 30 |
13 | 47.5 | 12 | 31 |
14 | 48.5 | 13 | 32 |
15 | 49.5 | 14 | 33 |
Women's | |||
US | European | UK | centimeters (cm) |
5 | 35.5 | 2.5 | 22 |
5.5 | 36 | 3 | 22.5 |
6 | 36.5 | 3.5 | 23 |
6.5 | 37.5 | 4 | 23.5 |
7 | 38 | 4.5 | 24 |
7.5 | 38.5 | 5 | 24.5 |
8 | 39 | 5.5 | 25 |
8.5 | 40 | 6 | 25.5 |
9 | 40.5 | 6.5 | 26 |
9.5 | 41 | 7 | 26.5 |
10 | 42 | 7.5 | 27 |
10.5 | 42.5 | 8 | 27.5 |
11 | 43 | 8.5 | 27.5 |
11.5 | 44 | 9 | 28.5 |
12 | 44.5 | 9.5 | 29 |
Kids' | |||
US | European | UK | centimeters (cm) |
4 | 36 | 3.5 | 23 |
4.5 | 36.5 | 4 | 23.5 |
5 | 37.5 | 4.5 | 23.5 |
5.5 | 38 | 5 | 24 |
6 | 38.5 | 5.5 | 24 |
6.5 | 39 | 6 | 24.5 |
7 | 40 | 6 | 25 |
Preschool | |||
US | European | UK | centimeters (cm) |
10.5 | 27.5 | 10 | 16.5 |
11 | 28 | 10.5 | 17 |
11.5 | 28.5 | 11 | 17.5 |
12 | 29.5 | 11.5 | 18 |
12.5 | 30 | 12 | 18.5 |
13 | 31 | 12.5 | 19 |
13.5 | 31.5 | 13 | 19.5 |
1 | 32 | 13.5 | 20 |
1.5 | 33 | 1 | 20.5 |
2 | 33.5 | 1.5 | 21 |
2.5 | 34 | 2 | 21.5 |
3 | 35 | 2.5 | 22 |
Toddler | |||
US | European | UK | centimeters (cm) |
3.5 | 19 | 2.5 | 10.8 |
4 | 19 | 3 | 11.4 |
4.5 | 20 | 3.5 | 11.7 |
5 | 20 | 4 | 12.1 |
5.5 | 21 | 4.5 | 12.7 |
6 | 22 | 5 | 13 |
6.5 | 22 | 5.5 | 13.3 |
7 | 23 | 6 | 14 |
7.5 | 23 | 6.5 | 14.3 |
8 | 24 | 7 | 14.6 |
8.5 | 25 | 7.5 | 15.2 |
9 | 25 | 8 | 15.6 |
9.5 | 26 | 8.5 | 15.9 |
10 | 27 | 9 | 16.5 |
Jordan Shoes
Men's |
|||
US |
European |
UK |
centimeters (cm) |
7.5 |
40.5 |
6.5 |
25 |
8 |
41 |
7 |
25.4 |
8.5 |
42 |
7.5 |
25.8 |
9 |
42.5 |
8 |
26.2 |
9.5 |
43 |
8.5 |
26.7 |
10 |
44 |
9 |
27.1 |
10.5 |
44.5 |
9.5 |
27.5 |
11 |
45 |
10 |
27.9 |
11.5 |
45.5 |
10.5 |
28.3 |
12 |
46 |
11 |
28.8 |
13 |
47.5 |
12 |
29.6 |
14 |
48.5 |
13 |
30.5 |
15 |
49.5 |
14 |
31.3 |
Women's |
|||
US |
European |
UK |
centimeters (cm) |
5 |
35.5 |
2.5 |
22 |
5.5 |
36 |
3 |
22.4 |
6 |
36.5 |
3.5 |
22.9 |
6.5 |
37.5 |
4 |
23.3 |
7 |
38 |
4.5 |
23.7 |
7.5 |
38.5 |
5 |
24.1 |
8 |
39 |
5.5 |
24.5 |
8.5 |
40 |
6 |
25 |
9 |
40.5 |
6.5 |
25.4 |
9.5 |
41 |
7 |
25.8 |
10 |
42 |
7.5 |
26.2 |
10.5 |
42.5 |
8 |
26.7 |
11 |
43 |
8.5 |
27.1 |
11.5 |
44 |
9 |
27.5 |
12 |
44.5 |
9.5 |
27.9 |
Kids' |
|||
US |
European |
UK |
centimeters (cm) |
4 |
36 |
3.5 |
23 |
4.5 |
36.5 |
4 |
23.5 |
5 |
37.5 |
4.5 |
23.5 |
5.5 |
38 |
5 |
24 |
6 |
38.5 |
5.5 |
24 |
6.5 |
39 |
6 |
24.5 |
7 |
40 |
6 |
25 |
Preschool |
|||
US |
European |
UK |
centimeters (cm) |
10.5 |
27.5 |
10 |
16.5 |
11 |
28 |
10.5 |
17 |
11.5 |
28.5 |
11 |
17.5 |
12 |
29.5 |
11.5 |
18 |
12.5 |
30 |
12 |
18.5 |
13 |
31 |
12.5 |
19 |
13.5 |
31.5 |
13 |
19.5 |
1 |
32 |
13.5 |
20 |
1.5 |
33 |
1 |
20.5 |
2 |
33.5 |
1.5 |
21 |
2.5 |
34 |
2 |
21.5 |
3 |
35 |
2.5 |
22 |
Toddler |
|||
US |
European |
UK |
centimeters (cm) |
3.5 |
19 |
2.5 |
10.8 |
4 |
19 |
3 |
11.4 |
4.5 |
20 |
3.5 |
11.7 |
5 |
20 |
4 |
12.1 |
5.5 |
21 |
4.5 |
12.7 |
6 |
22 |
5 |
13 |
6.5 |
22 |
5.5 |
13.3 |
7 |
23 |
6 |
14 |
7.5 |
23 |
6.5 |
14.3 |
8 |
24 |
7 |
14.6 |
8.5 |
25 |
7.5 |
15.2 |
9 |
25 |
8 |
15.6 |
9.5 |
26 |
8.5 |
15.9 |
10 |
27 |
9 |
16.5 |
Reebok Shoes
Men's | |||
US | European | UK | centimeters (cm) |
6.5 | 38.5 | 5.5 | 24.5 |
7 | 39 | 6 | 25 |
7.5 | 40 | 6.5 | 25.5 |
8 | 40.5 | 7 | 26 |
8.5 | 41 | 7.5 | 26.5 |
9 | 42 | 8 | 27 |
9.5 | 42.5 | 8.5 | 27.5 |
10 | 43 | 9 | 28 |
10.5 | 44 | 9.5 | 28.5 |
11 | 44.5 | 10 | 29 |
11.5 | 45 | 10.5 | 29.5 |
12 | 45.5 | 11 | 30 |
12.5 | 46 | 11.5 | 30.5 |
13 | 47 | 12 | 31 |
13.5 | 48 | 12.5 | 31.5 |
14 | 48.5 | 13 | 32 |
15 | 50 | 14 | 33 |
16 | 52 | 15 | 34 |
17 | 53.5 | 16 | 35 |
18 | 55 | 17 | 35 |
Women's | |||
US | European | UK | centimeters (cm) |
5 | 35 | 2.5 | 22 |
5.5 | 35.5 | 3 | 22.5 |
6 | 36 | 3.5 | 23 |
6.5 | 37 | 4 | 23.5 |
7 | 37.5 | 4.5 | 24 |
7.5 | 38 | 5 | 24.5 |
8 | 38.5 | 5.5 | 25 |
8.5 | 39 | 6 | 25.5 |
9 | 40 | 6.5 | 26 |
9.5 | 40.5 | 7 | 26.5 |
10 | 41 | 7.5 | 27 |
10.5 | 42 | 8 | 27.5 |
11 | 42.5 | 8.5 | 28 |
12 | 44 | 9.5 | 29 |
Kids' | |||
US | European | UK | centimeters (cm) |
4 | 35 | 3.5 | 23 |
4.5 | 36 | 4 | 23.5 |
5 | 36.5 | 4.5 | 23.5 |
5.5 | 37 | 5 | 24 |
6 | 38 | 5.5 | 24.5 |
6.5 | 38.5 | 6 | 24.5 |
7 | 39 | 6.5 | 25 |
Adidas Shoes
Men's | |||
US | European | UK | centimeters (cm) |
6 | 38 2/3 | 5.5 | 24 |
6.5 | 39 1/3 | 6 | 24.5 |
7 | 40 | 6.5 | 25 |
7.5 | 40 2/3 | 7 | 25.5 |
8 | 41 1/3 | 7.5 | 26 |
8.5 | 42 | 8 | 26.5 |
9 | 42 2/3 | 8.5 | 27 |
9.5 | 43 1/3 | 9 | 27.5 |
10 | 44 | 9.5 | 28 |
10.5 | 44 2/3 | 10 | 28.5 |
11 | 45 1/3 | 10.5 | 29 |
11.5 | 46 | 11 | 29.5 |
12 | 46 2/3 | 11.5 | 30 |
12.5 | 47 1/3 | 12 | 30.5 |
13 | 48 | 12.5 | 31 |
14 | 49 1/3 | 13.5 | 32 |
15 | 50 2/3 | 14.5 | 33 |
16 | 51 1/3 | 15 | 33.5 |
17 | 52 2/3 | 16 | 34.5 |
18 | 53 1/3 | 17 | 25.5 |
Women's | |||
US | European | UK | centimeters (cm) |
5 | 36 | 3.5 | 22 |
5.5 | 36 2/3 | 4 | 22.5 |
6 | 37 1/3 | 4.5 | 23 |
6.5 | 38 | 5 | 23.5 |
7 | 38 2/3 | 5.5 | 24 |
7.5 | 39 1/3 | 6 | 24.5 |
8 | 40 | 6.5 | 25 |
8.5 | 40 2/3 | 7 | 25.5 |
9 | 41 1/3 | 7.5 | 26 |
9.5 | 42 | 8 | 26.5 |
10 | 42 2/3 | 8.5 | 27 |
10.5 | 43 1/3 | 9 | 27.5 |
11 | 44 | 9.5 | 28 |
11.5 | 44 2/3 | 10 | 28.5 |
12 | 45 1/3 | 10.5 | 29 |
13 | 46 2/3 | 11.5 | 30 |
14 | 48 | 12.5 | 31 |
Kids' | |||
US | European | UK | centimeters (cm) |
3.5 | 34.5 | 3 | 22.5 |
4 | 35 | 3.5 | 23.5 |
4.5 | 36 | 4 | 23.5 |
5 | 36.5 | 4.5 | 23.5 |
5.5 | 37 | 5 | 24 |
6 | 38 | 5.5 | 24.5 |
Preschool | |||
US | European | UK | centimeters (cm) |
10 | 26.5 | 9.5 | 16 |
10.5 | 27 | 10 | 16.5 |
11 | 27.5 | 10.5 | 17 |
11.5 | 28 | 11 | 17.5 |
12 | 28.5 | 11.5 | 18 |
12.5 | 29 | 12 | 18.5 |
13 | 30.5 | 12.5 | 19 |
Most Other Brands
Men's | |||
US | European | UK | centimeters (cm) |
6 | 38 | 5 | 23.5 |
6.5 | 38.5 | 5.5 | 24 |
7 | 39 | 6 | 24.5 |
7.5 | 40 | 6.5 | 25 |
8 | 41 | 7 | 25.5 |
8.5 | 41.5 | 7.5 | 26 |
9 | 42 | 8 | 26.5 |
9.5 | 42.5 | 8.5 | 27 |
10 | 43 | 9 | 27.5 |
10.5 | 43.5 | 9.5 | 28 |
11 | 44 | 10 | 28.5 |
11.5 | 44.5 | 10.5 | 29 |
12 | 45 | 11 | 29.5 |
13 | 46 | 12 | 30 |
14 | 47 | 13 | 30.5 |
15 | 48 | 14 | 31 |
Women's | |||
US | European | UK | centimeters (cm) |
5 | 36 | 3.5 | 23 |
5.5 | 37 | 4 | 23.5 |
6 | 37.5 | 4.5 | 24 |
6.5 | 38 | 5 | 24.5 |
7 | 38.5 | 5.5 | 25 |
7.5 | 39 | 6 | 25.5 |
8 | 39.5 | 6.5 | 26 |
8.5 | 40 | 7 | 26.5 |
9 | 41 | 7.5 | 27 |
9.5 | 42 | 8 | 27.5 |
10 | 42.5 | 8.5 | 28 |
10.5 | 43 | 9 | 27.5 |
11 | 44 | 9.5 | 29 |
11.5 | 44.5 | 10 | 29.5 |
12 | 44.5 | 10.5 | 30 |
Kids' | |||
US | European | UK | centimeters (cm) |
4 | 36 | 3.5 | 23 |
4.5 | 36.5 | 4 | 23.5 |
5 | 37.5 | 4.5 | 23.5 |
5.5 | 38 | 5 | 24 |
6 | 38.5 | 5.5 | 24 |
6.5 | 39 | 6 | 24.5 |
7 | 40 | 6 | 25 |
Preschool | |||
US | European | UK | centimeters (cm) |
9 | 27 | 8 | 25 |
10 | 28 | 9 | 26.5 |
11 | 29 | 10 | 28 |
12 | 30 | 11 | 29.5 |
13 | 31 | 12 | 30.5 |
1 | 32 | 13 | 32 |
1.5 | 33 | 1 | 33 |
2 | 34 | 2 | 33.5 |
Toddler | |||
US | European | UK | centimeters (cm) |
3.5 | 19 | 2.5 | 10.8 |
4 | 19 | 3 | 11.4 |
4.5 | 20 | 3.5 | 11.7 |
5 | 20 | 4 | 12.1 |
5.5 | 21 | 4.5 | 12.7 |
6 | 22 | 5 | 13 |
6.5 | 22 | 5.5 | 13.3 |
7 | 23 | 6 | 14 |
7.5 | 23 | 6.5 | 14.3 |
8 | 24 | 7 | 14.6 |
8.5 | 25 | 7.5 | 15.2 |
9 | 25 | 8 | 15.6 |
9.5 | 26 | 8.5 | 15.9 |
10 | 27 | 9 | 16.5 |
Nike Apparel
Men's | ||||
SIZE | AVG. US SIZE | CHEST (in) | WAIST (in) | HIPS (in) |
S | – | 35 – 37.5 | 29 – 32 | 35 – 37.5 |
M | – | 37.5 – 41 | 32 – 35 | 37.5 – 41 |
L | – | 41 – 44 | 35 – 38 | 41 – 44 |
XL | – | 44 – 48.5 | 38 – 43 | 44 – 47 |
XXL | – | 48.5 – 53.5 | 43 – 47.5 | 47 – 50.5 |
Women's | ||||
SIZE | AVG. US SIZE | CHEST (in) | WAIST (in) | HIPS (in) |
XS | 0 – 2 | 29.5 – 32.5 | 23.5 – 26 | 33 – 35.5 |
S | 4 – 6 | 32.5 – 35.5 | 26 – 29 | 35.5 – 38.5 |
M | 8 – 10 | 35.5 – 38 | 29 – 31.5 | 38.5 – 41 |
L | 12 – 14 | 38 – 41 | 31.5 – 34.5 | 41 – 44 |
XL | 16 – 18 | 41 – 44.5 | 34.5 – 38.5 | 44 – 47 |
Puma Apparel
Men's | ||||
SIZE | CHEST (in) | WAIST (in) | SLEEVES (in) | IN-SEAM (in) |
XS | 33 | 30 | 33 | 31 |
S | 36 | 32 | 34 | 31.5 |
M | 39 | 34 | 34.5 | 32 |
L | 42 | 37 | 36 | 32 |
XL | 45 | 41 | 36.5 | 32.5 |
Women's | ||||
SIZE | BUST (in) | WAIST (in) | SLEEVES (in) | IN-SEAM (in) |
XXS | 31 | 24 | 35 | 30.5 |
XS | 33 | 25 | 36 | 31 |
S | 34 | 26 | 37 | 31 |
M | 36 | 29 | 39 | 31 |
L | 38 | 31 | 41 | 31.5 |
XL | 40 | 34 | 44 | 32 |
Adidas Apparel
Men's | ||||
SIZE | AVG. US SIZE | CHEST (in) | WAIST (in) | HIPS (in) |
S | – | 34 – 37 | 30 – 32 | 35 – 37 |
M | – | 37 – 40 | 32 – 35 | 37 – 40 |
L | – | 40 – 44 | 35 – 39 | 40 – 44 |
XL | – | 44 – 48 | 39 – 43 | 44 – 48 |
XXL | – | 48 – 52 | 43 – 47 | 48 – 51 |
Women's | ||||
SIZE | AVG. US SIZE | CHEST (in) | WAIST (in) | HIPS (in) |
XS | 0 – 2 | 30 – 32 | 24 – 26 | 33.5 – 35.5 |
S | 4 – 6 | 32.5 – 34.5 | 26.5 – 28.5 | 36 – 38 |
M | 8 – 10 | 35 – 37 | 29 – 31 | 38.5 – 40.5 |
L | 12 – 14 | 37.5 – 40 | 31.5 – 33.5 | 41 – 43 |
XL | 16 – 18 | 40.5 – 43 | 34 – 37 | 43.5 – 46 |
Champion Apparel
Men's | ||||
SIZE | AVG. US SIZE | CHEST (in) | WAIST (in) | IN-SEAM (in) |
S | – | 34 – 36 | 28 – 30 | 29 |
M | – | 38 – 40 | 32 – 34 | 31 |
L | – | 42 – 44 | 36 – 38 | 32 |
XL | – | 46 – 48 | 40 – 42 | 32.5 |
XXL | – | 50 – 52 | 44 – 46 | 33 |
Women's | ||||
SIZE | AVG. US SIZE | CHEST (in) | WAIST (in) | HIPS (in) |
XS | 0 – 2 | 30 – 32 | 22 – 24 | 32 – 34 |
S | 4 – 6 | 32.5 – 34.5 | 24.5 – 26.5 | 34.5 – 36.5 |
M | 8 – 10 | 35 – 37 | 27 – 29 | 37 – 39 |
L | 12 – 14 | 37.5 – 39.5 | 29.5 – 32.5 | 39.5 – 42.5 |
XL | 16 – 18 | 40 – 42 | 33 – 36 | 43 – 46 |