100% Cotton Material: Cotton thin and soft material. Stylish look and high end quality Hat. One adjustable size. Size: 57-62cm (22.4-24.4),one size fit for most ,There is a adjustable side buckle for you to change its size according to your head circumference.please kindly check your head size before you buy! EXQUISITE & EASY TO CARE: With a contoured contour and a special design on both sides, the driver cap for man can better show off your charm; Edge extension can effectively block UV to prevent skin burns; Despite this, don’t worry, the gatsby hat is easy and convenient to wash by hand, so it’s ideal for long time use. Trendy design for both men and women, can use it anywhere especially, Ideal for all occasions and weather. We are promising to providing you with the highest quality and full customer satisfaction. If you have any problem with this product, you can contact us.