100% Cotton Hook and Loop closure Machine Wash Material: made of lightweight cotton material, it absorbs sweat and breathes freely, to keep your head dry and make you have a comfortable wearing experience; our fabric is soft and environmentally friendly, please feel free to use Adjustable: with hook and loop on the back of the hat, the size can be adjusted according to the head circumference to make the hat fit comfortably on the head; there are anti-sweat bars inside to prevent sweat from dripping into your eyes, so you can have a good day Ideal for summer: these hats have curved brims that subtly block the sun and protect the face from uv rays, with top hollow out design, very suitable for hot summer, keep the head breathable Practical: it can be worn for jogging, golf, tennis or other outdoor sports, visor hat can let you not be afraid of high temperature while maintaining the appearance of fashion, is a good practical accessory Each pack contains 4 sports visor hats in white and can be worn with different costumes; adjustable size for most men and women, simple appearance to give you a casual style, suitable for people of most ages