65% Cotton, 35% Polyester Imported Buckle closure Hand Wash Only The baseball hat is designed for a big/large oversized head. Head Circumference: 23.6"-25.6" (60-65 cm). Brim/Bill Length: 3.15 inch(8cm). Hat Depth:7.08 inch(18cm). Breathable & Quick Dry Cap: Made With 65% High Quality Cotton And 35% Polyester.Moisture Wicking Feature Can Keep Your Head Dry And Comfortable. Structured Baseball Caps: High Crown Makes The Difference,Fits Your Big Head Without Looking Thick Or Bulky.Cotton High Crown Design Makes Your Face Look Smaller.Structured Front 1 Panel With The Side And Back 4 Mesh Panels Are Designed To Enhance Ventilation. This baseball cap is with strapback adjustable. You can adjust the cap size by the metal strap to make the baseball cap fit your head comfortably and securely. Fits for both women and men to wear. Pre-curved visor can block the sun from your face. A Great Sun Sunshade Protective Hat. So it is a perfect choice for sports, traveling, running, fishing, camping, gardening, hiking, riding or any outdoor activities.