Trendy Apparel Shop Orca Killer Whale Two Tone Mesh Back Trucker Baseball Cap. 55% Cotton, 45% Polyester. Fashionable casual embroidered two tone trucker mesh cap for everyone. 2 Front panel with 4 back mesh panels, Low profile, Structured crown, 2 Eyelets. Stiff and Pre-Curved Bill, Same color underbill, Stitching detailed bill. Adjustable plastic snap closure. One Size Fits Most.