Made of lightweight polyester cotton blend fabric, it absorbs sweat and breathes freely, to keep your head dry and make you have a comfortable wearing experiences. The back of the sun hat has a adjustable strap, which can be adjusted according to your own head circumference, suitable for most girls, teenagers or adults. The pre-curved visor at the front of the hat is enough to block the sun, making it the appropriate match for urban sports or casual style, suitable for sports, tennis, golf, baseball, running or any other outdoor activities.