The Yupoong 6606 Retro Trucker Hat blends classic style with modern comfort. With a structured crown, curved visor, and breathable mesh back, it’s built for all-day wear.  26% cotton, 74% polyester. Mid-profile cap with a low-profile embroidery area. Plastic adjustable closure. Head circumference: 21⅝″–23⅝″ (54. 9 cm–60 cm).