Ultimate UV Protection - With a 3.74‘’ matte vinyl wide brim, BENEUNDER womens bucket hat is a shield against 99.99% harmful UV rays. Experience unparalleled sun protection while staying cool – it reduces the temperature under the brim by a remarkable 17.2℃Cool and Dry Comfort - Say goodbye to sweaty discomfort with the lightweight, cooling, quick-drying sweatband lining the inner brim. Designed with a breathable window pattern on both sides and at the ponytail hole, enjoy optimal airflow and rapid heat dissipation, even on scorching daysVersatile Styling - Wear BENEUNDER womens fishing hat wide-brimmed for maximum coverage, perfect for extended outdoor adventures. Or fold the brim for a chic, cowboy-inspired aesthetic, ideal for any outdoor occasionWeather-Ready Design - Rain or shine, BENEUNDER bucket hat has you covered. Its special surface coating repels water and oil, ensuring you stay dry and stylish even in unexpected drizzles. Embrace the great outdoors without worrying about the weatherPerfect Fit - Designed to fit head circumferences ranging from 55-57cm (US Size: 5 7/8 - 7 1/8), it comes equipped with a windproof rope, allowing for easy adjustment and a snug fit that stays in place, no matter the activity