Propper Boonie 60C/40P Digital Woodland 7. This boonie hat manufactured by the experts at Propper is made of 60percent cotton/40percent polyester and is sewn to military specification MIL-H-44105B. The Propper 60Cotton/40Poly Military Boonie Hat comes with vent holes to direct air away from your head and an adjustable chin strap that ensures a secure fit to keep your hat on. Specifications for Propper Boonie 60C/40P: Manufacturer: Propper Gender: Male Age Group: Adults Fabric/Material: Cotton/Poly Ripstop Hat Style: Sun Hat Additional Features: Sun Protection Sewn to Military Specification MIL-H-44105B Vent Holes Direct Air Away From Head NIR-Compliant Activity/Occasion: Shooting Fastener/Closure Type: Strap Uniform Type: Military Adjustability: Yes Uniform: Yes Features of Propper 60Cotton/40Poly Boonie Hat: Sewn to military specification MIL-H-44105B Vent holes direct air away from head Adjustable chin strap ensures a secure fit NIR compliant (50/50 NYCO only) Package Contents: Propper 60C/40 Boonie Propper F5502253957: Boonie 60C/40P Digital Woodland