The UPF 50+ Flap Happy Double Ruffle Hat: Designed to provide excellent sun protection from damaging UV rays. The hat is made with 100% cotton with a large brim to shade the face, ears, and neck from the harsh rays of the sun. The ties help secure the hat when the wind blows. This hat looks terrific when paired with Flap Happy swimwear or playwear! Your child will love to wear this hat for its comfort. Fabrication: 100% Cotton