Lenikis Outdoor Mesh Bucket Boonie UV Protecting Sun Hat Full Protection: features 50+ UPF fabric which block 98% of UV rays. This hats will protect your face, ears and the back of your head from the scorching summer sun. Polyester: lightweight, quick-drying, water and stain resistant. The moisture wicking sweatband keeps sweat out of your eyes. Breathable Mesh: the mesh side panels allow ventilation which makes your head breathable in sunny with strong sunshine. One Fits All: adjustable size (56-60cm) and chin strap provide a comfortable fit and keep your hat from being blown away on windy days. FUNctional: whether you are out walking, hiking, fishing, playing golf, gardening, sightseeing, on the beach, at a ball game or working outdoors, this hat has you covered.