the Truck Driver Hat, Also Known as the Mesh Hat, is Made of Cotton & Mesh Fabric, Offering Soft Comfort & Good Breathability. Both Men & Ladies Can Wear It, & Sizes Are Available for Childrens. a Nice & Practical Hat Can Not Only Provide Shade From the Sun, But Also be Used as a Gift for Friends & Family. It is Suitable for Many Occasions, Including Team Activities, Tourism, Sports, Fishing, Festivals & So On. It Measures 22.4 to 23.2 Inches & Features an Adjustable Plastic Buckle. We Also Offer Personalized Customization, Including Packaging, Tags, Wash Labels, Adjusting Buttons, Colors, Etc.