This is an adult white navy hat. It's a one-size yacht cap that's adjustable, perfect for a comfortable fit on any head.

How to use: Just put the hat on your head and adjust the strap to fit comfortably. Note: Don't pull the strap too hard to avoid damage. Maintenance advice: You can gently hand - wash the hat with mild detergent in cold water and let it air dry. Don't machine - wash or tumble - dry it as it may affect the shape of the hat.