Our lightweight and durable USA Flag Stars and Stripes Printed Foam Mesh Back Adjustable Trucker Cap is great for showing US pride. This cool foam mesh trucker cap is great for any summer outdoor activity. Made from 50% Nylon, 25% Cotton and 25% Polyester. 5 Panels. Front foam crown with 4 mesh back panels. Structured front crown. Fitted with an inner sweatband. Stiff and pre curved bill. Finished with an adjustable plastic snap closure. One size fits most.