This hollow top sun hat is made of cotton, which is lightweight and breathable, comfortable to wear. The adjustable hook and loop back closure fits most head shapes perfectly. Ideal for daily use and outdoor activities, such as baseball, golf, volleyball, running, cycling, hiking, vacations, festivals, etc. PMS available for product color and imprint. Overseas production. Lower quantity available. Includes air freight except Q5 and Q4 which are ocean freight delivered to NY.