Trendy Apparel Shop Oversize XXL Structured Trucker Mesh Baseball Cap. 65% Polyester , 35% Cotton. Oversized trucker mesh cap for those with big head sizes. 2 front panels with 4 mesh back panels; 6 Panels, High Profile, Structured Crown. Stiff and pre-curved bill, same color under bill. Finished with an adjustable plastic snap closure, fitting up to around 65CM . One Size Fits Most Big Head Sizes, fitting up to XXL .