The brim of this hat is 12cm, adult size. There is also a string that can adjust the tension and two buttons on the side to fold the brim, which can be worn in a variety of ways. This hat has excellent sun protection and can be worn while fishing, hiking and traveling. If the purchase quantity is small, the logo can only be printed by labeling, and if the quantity is large, other printing methods can be used. Inquiries are welcome