Made Of High-Quality Polyester Twill Fabric. Reinforced At The Top And Added With Anti Sweat Tape Inside, It Can Absorb Sweat And Remove Moisture There Are Four Ventilation Openings At The Top, Which Have Good Breathability. They Are Lightweight, Not Easily Deformed, And Easy To Carry. They Have A Fashionable Hat Shape, Long-Lasting Contour, And Fashionable Wearing Style The Head Circumference Can Be Adjusted By 22.4-23.7 Inches (57-60cm), And The Size Of The Hat Circumference Can Be Adjusted Freely. The Baseball Cap Is Fixed On The Head To Ensure Maximum Comfort And Always Safe Wear. It Is Suitable For Most People'S Head Shape Suitable For Daily Outings, Sports, Outdoor Activities, Travel, Etc. Unisex. It Can Be Used As A Holiday Gift And Is An Excellent Gift Choice For Family, Friends, Or Oneself It Is Recommended To Wash Less By Hand, Do Not Rub Or Machine Wash, And Do Not Bleach