Size Guide - New Era Caps
- If the sizes of New Era caps are indicated as S/M or M/L, please refer to the size guide provided below. Caps that feature an adjustable strap will be stated in the description & image.
- The size chart shows the measurement range that the hat can fit
39THIRTY:
| CAP SIZE | CAP SIZE | CAP SIZE | CAP SIZE | IN | CM |
| XS/S | 215/8 | 54.9 | |||
| S/M | 22 | 55.8 | |||
| S/M | 22 3/8 | 56.8 | |||
| S/M | 22 3/4 | 57.7 | |||
| S/M | M/L | 23 1/8 | 58.7 | ||
| M/L | 23 1/2 | 59.6 | |||
| M/L | 23 7/8 | 60.6 | |||
| M/L | L/XL | 24 1/4 | 61.5 | ||
| M/L | L/XL | 245/8 | 62.5 | ||
| M/L | L/XL | 25 | 63.5 |
9FORTY:
| CAP SIZE | CAP SIZE | IN | CM |
| ONE SIZE | 7 | 22 | 55.8 |
| ONE SIZE | 7 1/8 | 22 3/8 | 56.8 |
| ONE SIZE | 7 1/4 | 22 3/4 | 57.7 |
| ONE SIZE | 7 3/8 | 23 1/8 | 58.7 |
| ONE SIZE | 7 1/2 | 23 1/2 | 59.6 |
| ONE SIZE | 7 5/8 | 23 7/8 | 60.6 |