Protect yourself from the elements with a PROPPER Boonie. This boonie is sewn to military specification MIL-H-44105B. Vent holes on either side allow for air circulation while an adjustable chin strap ensures a secure fit.
Features:- Sewn to military specification MIL-H-44105B
- Vent holes direct air away from head
- Adjustable chin strap ensures a secure fit
- 100% cotton ripstop
Size Chart:
| Size | Hat Size | Head Circum. |
| 7 | 7 | 21 7/8 |
| 7 1/4 | 7 1/4 | 22 5/8 |
| 7 1/2 | 7 1/2 | 23 1/2 |
| 7 3/4 | 7 3/4 | 24 3/8 |
