This US Navy Shellback OD Green Ball Cap is directly embroidered onto a cotton twill cap with a sandwich trim. Fully adjustable embroidered strap. All of our Military hats are fully guaranteed. This Navy cap would make a wonderful addition to your collection or a great gift! Please note, the material used to make this cap is "distressed" and color variations will occur. This includes, but not limited to, areas of fading, pilling, and/or small tears present on the cap that may not appear in the product listing as pictured.