Certified UPF 50+ fabric offers maximum protection from the sun_ 3/4” mesh panel provides excellent ventilation allowing heat to escape_ Durable Water Repellent (DWR) finish helps keep you dry__ The ultimate hat for outdoor adventures, the AIRFLO Broad Brim has foam in the crown which allows it to float in case it gets tossed in the water.__ It has a downward-sloping broad brim that will help protect you from the elements, whilst the wind cord ensures that it will stay on your head even in blustery conditions.__ Brim Measurements: _ Front & Back: 3 1/2” _ Sides: 2 1/2” __ Fabrication: 100% Supplex Nylon with a Polyurethane membrane_ Weight: 4oz