ADJUSTABLE SIZE: One size fits most people. The anti-sweat belt has a built-in adjustable belt, which can be adjusted to better fit the head. Bucket hat also comes with string, Adjustable string for fixing the hat, especially in windy days..SUN PROTECTION: Strong Anti-UV Function. Wide large floppy brim provides a perfect shade to your face, help protecting from the suns harmful rays. Keep cool!.ELEGANT& MULTI USE: Bowknot sun protection summer sun hats, for wearing when gardening, in the beach, camping, hiking, fishing, weddings or any outdoor activities..SOFT MATERIAL: Made of cotton. Very light and soft but durable, breathable and helps keep you cool in the sun..WARM CUSTOMER SERVICE: 100% quality and customer satisfaction guarantee. TOTALLY RISK FREE. Buy with confidence now.