This hat is made of waterproof nylon and features an adjustable velcro back and fabric eyelets on the side panels.
Size 1: Designed to fit kids aged 9 to 36 months (45-50cm)
Size 2: Designed to fit kids aged 3 to 5 years (51-56cm)
Size 3: Designed to fit kids aged 6 to 10 years (54-58cm)