PRODUCT DETAILED:【 Fabric: 100% Nylon, Mesh:100% Polyester, Size: One Size Adjustable 22.8-23.62"(58-60 cm),Suitable size range 7 1/8-7 2/5 ,Super Wide Brim 4.7”/12cm, Net Weight: About 7.05 Ounces /200g( Very Light), Ultraviolet Protection Factor(UPF): ＞50，Other Features: Windproof, Water Showerproof, Quick Drying, Breathable, Removable】SUN PROTECTION & WATER REPELLENT:UPF 50+ max protection to keeps the sun from your face and neck and offers great protection from harmful UVA and UVB rays. Go out and enjoy the elements without a worry with this waterproof, windproof and breathable chapeau.COMFORABLE & BREATHABLE: Adjustable chin cord holds hat in place even in windy or rainy conditions. The design of foldable side snaps, let you switch freely in cowboy style and leisure style in different occasions. The top of the hat can be disassembled that it has a mesh layer to keep your head cool and breaths. Includes an internal moisture wicking sweatband, you may not be comfortable with it at first. When you get used to it, you will love it.Collapsible Sun Hat:With a foldable design, there is no need to worry that the hat will leave creases and affect the appearance of the hat. The hat is made of thick 100% nylon fabric,100% polyester mesh ,exquisite stitching workmanship, and the quality visible to the naked eye will bring you a different feeling.CUSTOMER SERVICE: If there is any questions about Cooltto Sun Hat for Men/Women product , please contact us any time. We will reply within 12 hours and follow it up closely. Great choice for regular daily use and outdoor activities especially like bush walking, fishing, hunting, camping, outdoor research.