This Columbia® Bora Bora™ Booney II Hat has all the features you need for a successful day in the outdoors. Omni-Shade™ UPF 50 blocks 98% of harmful UVA and UVB rays while quick-drying properties ensure dunks and showers won't keep you soggy for long. This ultra-breathable Booney Hat features an Omni-Wick™ sweatband and non-UPF mesh vent panel for excellent ventilation. An adjustable drawcord and toggle in the back of the Columbia Bora Bora Booney II Hat deliver a great fit, while the adjustable chin strap keeps this Columbia hat secure. Shell: 100% textured nylon poplin. Lining: 100% polyester. Imported. Manufacturer style #: CU9107.