Approved for wear with US Air Force duty uniform starting 14 Jun 2021 Meets all requirements in updated AFI 36-2903 50/50 nylon cotton OCP ripstop front and bill Classic six panel semi structured baseball cap design Coyote Tan499 breathable mesh backing wicks away moisture and sweat Adjustable hook and loop closure. One size fits most The Shellback Tactical USAF OCP Tactical Mesh Cap meets updated US Air Force AFI 36-2903 requirements for dress and appearance. This cap features a classic six panel semi structured design, breathable mesh backing and durable 50/50 NYCO ripstop OCP front and bill. The USAF OCP Tactical Mesh Cap is 100% made in the USA and Berry Compliant. Order yours today!