This is actually a really cute hat – I bought it for a trip and realized I truthfully didn't need it, so passing it along. Never worn/used. 100% Polyester Imported UPF 50+ - blocks 98% of UVA/UVB rays FABRIC: Woven polyester shell with moisture wicking internal headband; Travel friendly, packable and crushable FEATURES: Circumference: 22 1/2 inches - One Size fits most. Please measure your head to ensure proper fit. Protective asymmetrical brim: Front-3 1/2 inches; Side-3 1/4 inches; Back-3 inches; Spot clean; Imported RECOMMENDED FOR: everyday leisure, and relaxing by the pool, lake or ocean - great for stylish full face and neck coverage NOT RECOMMENDED FOR: swimming, not chlorine and salt water resistant or water repellent