The Columbia Men's Coolhead™ II Zero Booney Hat is the perfect hat to keep you cool in the heat. This hat is made with Omni-Wick™ Moisture Wicking technology combined with Omni-Freeze ZERO™ sweat-activated super cooling that combined will give you the coolest and freshest feeling in your head even in hot temperatures. To care for your skin and overall wellness, Columbia has designed this hat with Omni-Shade™ UPF 50 sun protection plus a wide, 3.5" brim and packable cape to cover all angles from UV rays. Cooler heads always prevail, and the Columbia Men's Coolhead™ II Zero Booney Hat will keep yours as cool as it can be.