The essential sun hat is made of high quality cool material,65% Cotton and 35% Polyester,lightweight and breathable,not easily deformed,and suitable for various outdoor activities. Summer hats size is 22-22.8 inches,and the back is adjustable.The style is simple and fashionable,and can achieve good wearing effects no matter how it is paired with any clothing. Our Beach women's sunscreen caps come in two wearing modes,the empty top and duck tongue cap,making it easy for you to meet the needs of different occasions. 4.The women's visor sunshade hat makes you feel more at ease during outdoor activities such as beach, holiday, travel, hiking, camping, backpack, golf and daily life. Women's summer hat also features an wide brim design that effectively blocks out sunlight and is foldable for easy carrying when traveling.