Use this quick guide to understand how each brand fits so you can pick the right size with confidence.

Nike & Air Jordan

Fit: True to size
Choose your regular EU size — no need to size up or down.

Adidas

Samba, Campus, Gazelle: True to size
Yeezy Boost 350: Go half a size up (a full size if you have wide feet)
Yeezy Slide: Go one full size up — they run small and only come in whole sizes.

ASICS

Fit: True to size
Choose your usual size. If you have wide feet, consider sizing up half a size.

New Balance

Fit: True to size
Most lifestyle models (like 550, 2002R, 990) fit standard. Choose your normal size.

Salomon

Fit: True to size
Designed for a snug, performance fit. Stick with your usual size.

Birkenstock

Fit: Runs large
If you're between sizes, size down. Choose narrow fit unless you have wide feet.

EU Size	US Men's	UK Size
36	4	3.5
36 2/3	4.5	4
37 1/3	5	4.5
38	5.5	5
38 2/3	6	5.5
39 1/3	6.5	6
40	7	6.5
40 2/3	7.5	7
41 1/3	8	7.5
42	8.5	8
42 2/3	9	8.5
43 1/3	9.5	9
44	10	9.5
44 2/3	10.5	10
45 1/3	11	10.5
46	11.5	11
46 2/3	12	11.5
47 1/3	12.5	12
48	13	12.5
48 2/3	13.5	13
49 1/3	14	13.5
50	14.5	14