THE Best Adjustable Baby Sun Hat!  Breathable 50 UPF cotton for best sun protection and comfort  Perfect fit with two adjustments  - Drawstring head adjustment makes good fit and longer use - Chin strap with easy toggle adjustment keep hat on - Break-away safety clip on the Chin strap - Packable for easy storage and travel  S: 0-6M M: 6-24M L: 2-5T XL: 5-12Y