WARM REMINDER : We offer two sizes for you to choose from. The “ M–L” size is an adjustable hat sizes 21⅝” - 23¼”(55cm-59cm), that is suitable for adults with regular head sizes. BUT, If you have a very big head, and you know those one size hats are too tight for you, please choose our”XL - XXL”size hats，it fits well for the following circumference 23⅝” - 25¼”(60cm–64cm), cap size 7 3/8，7 1/2 , 7 5/8 ,7 3/4 , 7 7/8, 8. To know more, please slide to see the detailed size diagram picture. GREAT TRUCKER STYLE AMERICAN FLAG HAT. The front of the hat is embroidered with an American flag ,that’s an ideal ball cap for outdoor exploration,fishing,sports,work, the mesh-back hat is great for you in summer. Classic Trucker Style – Plastic snapback closure, Medium crown, Structured front ，pre-curved visor, fast dry sweat-wicking sweatband,the fabric of the front two panels and the brim is made from premium cotton, the four back panels are made of breathable well-set polyester mesh. About Us : We are a professional hat brand seller,we have several hundreds of hats in different styles,materials,sizes and colors for sale on Amazon. We are constantly developing and lauching new hats for men, women, small heads, XL XXL 3XL big heads, toddlers, kids, youth, truckers, please visit our brand store, we have more hats for you to choose from. About Us : We are a professional hat brand seller,we have several hundreds of hats in different styles,materials,sizes and colors for sale on Amazon. We are constantly developing and lauching new hats for men, women, small heads, XL XXL 3XL big heads, toddlers, kids, youth, truckers, please visit our brand store, we have more hats for you to choose from. Show off your American pride in comfort and style with this classic snapback trucker hat. Featuring a bold embroidered U.S. flag on the front panel, this hat combines patriotic spirit with everyday wearability. The soft mesh back provides breathable comfort for all-day use, whether you’re on the road, at the lake, or just enjoying a sunny afternoon. Designed with both standard and XXL sizes, this hat offers a perfect fit for all head shapes. The adjustable snapback closure ensures a secure, custom fit for every adventure.