Made from 100% organic cotton, this Baggu Packable Sun Hat folds and twists into a small pouch, so you can throw it in your bag and always be sun-protection ready at the beach, the park or any day that you’re out and about. An adjustable strap inside as well as a chin strap keep the hat secure. It’s foldable design also makes it easy to pack into the included pouch. Baggu Packable Sun Hat fits up to a 23.5" head. Brim diameter: 19.75”. Measures 8.25 diam. when folded.