Magpul Industries, Equipped Trucker Hat, Black with Gold Patch, One Size Fits Most Mesh back for breathability Adjustable snap back closure Interior custom Magpul branding No top button Embroidered patch at center front 60% Cotton/40% Polyester The Magpul Equipped Trucker is a classic structured, six-panel trucker-style hat. It's got a mesh back and a mid-crown design, so the brim rests just above your brow and is comfortable all day. There's no button on the top of the hat, making it great for use with over the head hearing protection. One size fits most with its adjustable snapback design, hat sizes 7 - 7 3/4.