BUILT-IN SUN PROTECTION - SwimZip's built-in sun protection blocks 98% of all UVA and UVB cancer causing rays. No more sunburns! Keep your child's delicate skin safe in the sun with SwimZip's built-in UPF 50+ sun protection so there’s more time for enjoying the beach, lake, or pool and less time worrying about harsh UV rays and reapplying sunscreen. ADJUSTABLE HEAD AND CHIN STRAPS - Both the head strap and the chin strap are adjustable to easily create the best fit possible. FULL OF FEATURES - Break away chin strap helps prevent choking. Side venting keeps heads cool. Wide brim for optimal protection. And IT FLOATS! Easily grab this hat if it ends up in the water. And the quick dry fabric will have it back and ready to use in a jiffy! (Corrosion resistant eyelets make this a great hat to take to the beach.)