SUN PROTECTION: The brim of the hat has a large area of sun protection design, which can prevent the Lady's head, eyes and neck from being exposed to the sun. ADJUSTABLE ---The adjustable design can be adjusted to a comfortable size according to the size of the lady's head. EASY TO CARRY AND PACK---This hat is very lightweight, and it is very portable when traveling and vacationing. Quick-drying material, easy to clean, will not take up a lot of your space. SUMMER MUST Water Proof