The Bora Bora Printed Booney Hat by Columbia will effectively protect you from the sun's rays during your hikes and treks, thanks to the Omni-Shade UPF 50 technology. Even in high temperatures and under a scorching sun, the Omni-Wick mesh band of the Columbia hat will keep your head ventilated while wicking away sweat. The adjustable drawcord ensures a better fit. Materials: 100% nylon Omni-Wick™ Omni-Wick™ sweatband 7.5 cm brim Adjustable drawcord and toggle at the back Breathable mesh and stretch zones Columbia Bora Bora Printed Booney - Hat | Hardloop