Extra-wide brimmed hat provides sun protection for active toddlers.The Velcro chin strap ensure that it won't fall off. Water-resistant and easy to clean. UPF 50+ fabric blocks 97.5% of the sun's ultraviolet rays. 2.25" brim in front, 3.25" in back. Packable, just roll up! Crown size is 49cm fits ages 1-2.5 years. Hand wash cold water.