Come and see our amazing products.The anti-ultraviolet cold baseball cap is made of anti-ultraviolet cloth and nylon, which can effectively resist ultraviolet rays. The nylon material can be waterproof and rainproof, very breathable, and comfortable. With grid design, it will not be stuffy. Its cap circumference is about 23 inches, and there is an adjustable plastic buckle on the back, which can be adjusted according to the size of your head circumference. Pls confirm with us about the packing info, stock color and exact production time before placing your order