Armycrew American Flag Printed Mesh Back Structured Trucker Cap. 100% Cotton , 100% Polyester. Patriotic US flag printed mesh trucker hat. 6 panels, 2 front structured panels with 4 mesh back panels, mid profile, US flag design printed mesh back panels. Stiff and pre-curved bill, matching color under the bill. Finished with an adjustable plastic snap closure. One size fits most.