100% cotton Soft-structured five-panel low-profile Embroidery eyelets Nylon strap clip closure 100% Cotton(Nylon Adjustable Strap and Nylon Buckle) , Soft-structured One Size, Fit 22 1/4 - 23 inch Head Circumference Five-panels, Low-profile Embroidery eyelets Nylon strap clip closure Length of the Brim is 6.7CM(2.6 Inch) Width of the Brim is 17.2CM(6.77 Inch)