From Noggin Headwear Company:
 
About this product
Our Freya hat features a fun groovy pink checkered print. This modern twist on a trucker hat is made for the girl who lives life out loud. Our hats are the perfect summer accessory for boat, beach, and pool days. 
 
Infant, Toddler, and Youth/Adult sizes available. 
 
Mommy and Me Compatible 
* sun protective  
* washable 
* quick- drying 
* floatable 
* all adventure wearability 
* chin strap to keep hat in place- available in sizes small and medium 
* 90% nylon 10% spandex 
 
*** All noggins are unique- Sizing reflects the average age hat will fit based on average head circumference at specific age. We recommend consulting our size guide and measuring for the most accurate fit.