Hats
| SIZE | OS* (One size) | S/M | M/L | L/XL |
| CM | 52 - 69 | 52 - 59 | 60 - 63 | 64 - 69 |
New ERA Hats
| SIZE | 7 | 7 1/8 | 7 1/4 | 7 3/8 | 7 1/2 | 7 5/8 | 7 3/4 | 7 7/8 | 8 |
| CM | 55.8 | 56.8 | 57.7 | 58.7 | 59.6 | 60.6 | 61.5 | 63 | 64 |
Belts
| SIZE | OS (One size) | 32 | 34 | 36 | 38 |
| LENGTH (CM)* | 117 | 81 | 86 | 91 | 96 |
Socks
| SIZE (MEN'S) | 6.5 - 9 | 9.5 - 13 |
| US SHOE SIZE (MEN'S) | 6.5 - 9 | 9.5 - 13 |
| UK SHOE SIZE (MEN'S) | 5.5 - 8 | 8.5 - 12 |
| EU SHOE SIZE | 38.5 - 42 | 42.5 - 47 |