Polyester,Cotton MATERIALCotton, Polyester. SIZEHead circumference-22.44in /57cm. One size fits most. PREMIUM QUALITYMade of lightweight cotton fabric provides you sun protection, comfortable for the perfect fit, especially for daily activities under sunlight. DESIGN DETAILVery cute, and the iron hoop design on the brim is cool. Designed not only in protecting from sunshine and wind, but also stylish in casual occasions day or night for your activities. OCCATIONSEasy to pack and rollable to your bag and pocket. It is great for the vacation, trip, outdoor activities, street strolling for the sun and rain protection headwear.