Material: 100% Baumwolle
Sizing
| Size | Hat Size | Head Circum. |
| 7 Small |
56-57 cm | 21 7/8 |
| 7 1/4 Medium |
58-59 cm | 22 5/8 |
| 7 1/2 Large |
60-61 cm | 23 1/2 |
| 7 3/4 XLarge |
62-63 cm | 24 3/8 |
Propper's Sun Hat/Boonie is sewn to military specification MIL-H-44105B