YuPoong 6606 | YP Classics Retro Six-panel Trucker Cap with a mesh back • 26% cotton, 74% polyester • Mid-profile cap with a low-profile embroidery area • Structured, six-panel cap • 3.5″ crown (8.9 cm) • Hard buckram front panels • Mesh back • Permacurv® visor, matching undervisor • Plastic adjustable closure • Head circumference: 21⅝″–23⅝″ (54.9 cm–60 cm)