Made of Polyester Imported SUPERIOR SUN BLOCKING: Material passed UPF 50+ test which is the highest UPF rating. Your Head, Face, Nose and Front Neck can be well covered with the lengthened Brim. Mesh ventilation on two sides for breath-ability and keep you cool. Perfect for regular daily use and outdoor activities especially like walking, fishing, running, traveling, baseball, cycling, golf, tennis or any outdoor activities. ONE SIZE FITS MOST–For head circumference:21.6 – 23.6 inch. The brim is 4 inch in length. Gracelife Branded are served by Aibao Inc. All property right owned. Please confirm to order from Gracelife Official Agency to ensure the product’s authenticity.