Armycrew Oversize XXL Low Profile Two Tone Mesh Back Trucker Baseball Cap. 65% Polyester , 35% Cotton. XXL oversized two tone trucker mesh cap for those with big head sizes. Structured front 2 panels with 4 mesh back panels, 2 small air vents placed on front 2 panels. Stiff and pre-curved bill, stitching detailed bill, mathching color under bill. Finished with an adjustable plastic snapback closure. One size fits most with big head sizes, fitting up to XXL.