Protect yourself from the elements with a Propper Boonie. Sewn to military specification MIL-H-44105B, the Boonie hat includes vent holes on either side to allow for air circulation. Use the adjustable chin strap for a secure fit.

Specifications

Sewn to military specification MIL-H-44105B
Vent holes direct air away from head
Adjustable chin strap ensures a secure fit