Size Guide
Find your size below. Every product shows its sizes in the same format as these tables, for example US 7 W / UK 5 or US 9 M / UK 8.5. Conversions differ slightly by brand, so use the column for the brand you are buying.
How to measure your foot
- Measure in the evening, when your feet are at their largest, and wear the socks you plan to wear with the shoes.
- Stand on a sheet of paper with your heel against a wall.
- Mark the tip of your longest toe, then measure from the wall to the mark in centimeters or inches (1 in = 2.54 cm).
- Measure both feet and use the longer one.
- Compare with your usual size in the same brand. If you are between sizes, we recommend going half a size up.
Not sure? Email us your foot length and the product you like at support@icomanhattan.com and we will help you choose.
Women's sizes (Adidas, New Balance, Nike, On)
| US Women | Adidas UK | New Balance UK | Nike UK | On UK |
|---|---|---|---|---|
| 5 | 3.5 | 3 | 2.5 | 3 |
| 5.5 | 4 | 3.5 | 3 | 3.5 |
| 6 | 4.5 | 4 | 3.5 | 4 |
| 6.5 | 5 | 4.5 | 4 | 4.5 |
| 7 | 5.5 | 5 | 4.5 | 5 |
| 7.5 | 6 | 5.5 | 5 | 5.5 |
| 8 | 6.5 | 6 | 5.5 | 6 |
| 8.5 | 7 | 6.5 | 6 | 6.5 |
| 9 | 7.5 | 7 | 6.5 | 7 |
| 9.5 | 8 | 7.5 | 7 | 7.5 |
Men's / unisex sizes (Adidas, New Balance, Nike)
| US Men | Adidas UK | New Balance UK | Nike UK |
|---|---|---|---|
| 7 | 6.5 | 6.5 | 6 |
| 7.5 | 7 | 7 | 6.5 |
| 8 | 7.5 | 7.5 | 7 |
| 8.5 | 8 | 8 | 7.5 |
| 9 | 8.5 | 8.5 | 8 |
| 9.5 | 9 | 9 | 8.5 |
| 10 | 9.5 | 9.5 | 9 |
| 10.5 | 10 | 10 | 9.5 |
| 11 | 10.5 | 10.5 | 10 |
| 12 | 11.5 | 11.5 | 11 |
On Cloudtilt & Cloud 6 (unisex sizing)
These models are listed in On's unisex format: US Men - US Women / EU / UK.
| US Men | US Women | EU | UK |
|---|---|---|---|
| 3.5 | 5 | 36 | 3 |
| 4 | 5.5 | 36.5 | 3.5 |
| 4.5 | 6 | 37 | 4 |
| 5 | 6.5 | 37.5 | 4.5 |
| 5.5 | 7 | 38 | 5 |
| 6 | 7.5 | 38.5 | 5.5 |
| 6.5 | 8 | 39 | 6 |
| 7 | 8.5 | 40 | 6.5 |
| 7.5 | 9 | 40.5 | 7 |
| 8 | 9.5 | 41 | 7.5 |
| 8.5 | 10 | 42 | 8 |
| 9 | 10.5 | 42.5 | 8.5 |
| 9.5 | 11 | 43 | 9 |
| 10 | 11.5 | 44 | 9.5 |
| 10.5 | 12 | 44.5 | 10 |
| 11 | 12.5 | 45 | 10.5 |
UGG (women's, whole sizes only)
UGG does not make half sizes. If you are usually a half size, contact us and we will help you choose.
| US Women | UK |
|---|---|
| 5 | 3 |
| 6 | 4 |
| 7 | 5 |
| 8 | 6 |
| 9 | 7 |
| 10 | 8 |
| 11 | 9 |
Birkenstock (EUR sizing)
Birkenstock uses European sizes. Each EUR size covers a US half-size range.
| EUR | US Women | US Men | UK |
|---|---|---|---|
| 35 | 4-4½ | 2-2½ | 2-2.5 |
| 36 | 5-5½ | 3-3½ | 3-3.5 |
| 37 | 6-6½ | 4-4½ | 4-4.5 |
| 38 | 7-7½ | 5-5½ | 5-5.5 |
| 39 | 8-8½ | 6-6½ | 6-6.5 |
| 40 | 9-9½ | 7-7½ | 7-7.5 |
| 41 | 10-10½ | 8-8½ | 8-8.5 |
| 42 | 11-11½ | 9-9½ | 9-9.5 |
| 43 | 12-12½ | 10-10½ | 10-10.5 |
| 44 | 13-13½ | 11-11½ | 11-11.5 |