Lanzom Women Outdoor Wide Brim Sun Hat Fishing Cap With Removable Sun Shield Mask Material: polyester. 360 degrees full protective cap. Perfect for cycling, fishing, camping and other outdoor activities. Size:Free size, about 57cm (22.44"),The brim of hat: about 10.5cm (4.13") Hat Depth: about 11.5cm (4.53") The Shield will protect neck and ears from sunburn and the mask can protect face from dust, and they can be removed when not need There are breathable mesh around both sides of crown, assure timely head heat discharge The hat with quick-drying fabric, sun protection performance achieved UPF 50+