This baseball cap is made of pure cotton. The brim length of the hat is 3 1/10 ", the circumference of the hat is 22 5/6, and the back is adjustable with velcro design. The inside of the hat is designed with breathable honeycomb cotton, which is comfortable and breathable to wear. The skilled sewing process is adopted, the lines are uniform and beautiful, and the back velcro adjustment belt is designed, which can adjust the size of the circumference of the hat according to personal needs. A variety of colors are available, and the logo customization port is supported. Welcome to consult