Mesh Material: This men's flat-top cap is crafted from high-quality, 100% polyester fabric. Breathable, lightweight, and cool, it is the perfect choice for summer wear. Adjustable Sizing: Fits head circumferences of 57–60 cm (22.4 to 23.6 inches). The sides of this newsboy-style cap feature a rust-resistant metal buckle and an adjustable strap, allowing for easy customization of the fit. Moisture-Wicking Sweatband: The interior of the cap is lined with a cotton sweatband that encircles the head, helping to minimize friction between the hat and the scalp. The brim features a curved design that effectively shades the face from the sun without obstructing your field of vision. Versatile Occasions: This men's summer hat is suitable for a wide range of outdoor activities, including driving, fishing, golfing, hiking, camping, traveling, running, hunting, gardening, and more. Ideal Gift: This Boston-style flat-top cap makes an excellent gift for husbands, boyfriends, and friends. Available in a variety of colors, it pairs effortlessly with various clothing styles. Hand washing or dry cleaning is recommended!