WITHIN · SIZES · Updated 10 October 2026
Common Projects size chart
Every Common Projects chart we could read, side by side, with its source and the day it was read.
- Charts: 1 chart, 9 sizes
- Systems: EU (Italy), US, UK, Japan, Korea (mm) and Shoe length, Piuma sneaker (cm)
- Sources: Mr Porter
- Read: 10 October 2026
Common Projects men's shoes, from Mr Porter
| EU (Italy) | US | UK | Japan | Korea (mm) | Shoe length, Piuma sneaker (cm) |
|---|---|---|---|---|---|
| 39 | 6 | 5 | 24 | 240 | 27.5 |
| 40 | 7 | 6 | 25 | 250 | 28.5 |
| 41 | 8 | 7 | 26 | 260 | 29 |
| 42 | 9 | 8 | 27 | 270 | 29 |
| 43 | 10 | 9 | 28 | 280 | 30 |
| 44 | 11 | 10 | 29 | 290 | 31 |
| 45 | 12 | 11 | 30 | 300 | 31.5 |
| 46 | 13 | 12 | 31 | 310 | 32 |
| 47 | 14 | 13 | 32 | 320 | 32.5 |
- This is Mr Porter's chart, not one from Common Projects. Common Projects' own site did not load today.
- The shoe length is the outside of one shoe, the Piuma sneaker, measured by hand by Mr Porter. It is not a foot length. Mr Porter prints 29 cm for both 41 and 42.
Source: Mr Porter (mrporter.com), read 10 October 2026.
Common questions
What is a Common Projects 42 in US size?
A US 9 and a UK 8, on Mr Porter's chart for Common Projects sneakers.
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Other size charts
Sources
- Mr Porter: Mr Porter's size guide on its Common Projects Piuma sneakers page: EU, US, UK, Japan and Korea sizes, and the shoe's outside length measured by Mr Porter. mrporter.com, read 10 October 2026.