Armycrew Oversize XXL Unstructured Washed Pigment Dyed Trucker Mesh Cap. 100% Cotton, and 100% Polyester. Great quality oversized XXL cap for those with big head sizes. Unstructured, Low Profile Hat.. Soft Trucker Mesh for comfortable fit. Adjustable plastic snap closure. One Size Fits Most Big Head Sizes, fitting up to XXL.