Keep the sun's rays at bay! Tilley's broad brim AIRFLO Hat is ideal for those who make maximum sun protection a priority. A double brim wire adds stability to the brim of this remarkably lightweight Hat (weighing just 3.5 oz/99 g). They've also put in a 3/4" mesh insert around the crown for added ventilation.Features Include:Maximum sun protection - fabric is certified UPF 50+, the highest givenAir flow - 3/4" mesh around crown allows for extra ventilationWater-repellent finish keeps off the rainFront & back wind cords system secures Hat in gusty conditionsHydrofil sweatband to wick moisture awayKeep valuables safe in the secret pocketBuoyancy - stays afloat in waterBrim size: Front & back: 3-7/8"; Sides: 3-1/2"