This mesh hiker hat is made from hemp which is extremely durable and has a great look. The mesh will keep you cool on hot days and makes for a light weight hat. The inner band is made from organic cotton. Has a chin cord for windy days.Made from Hemp 2.5" Brim 4.25" Crown Height Chin Cord with Secure ToggleMesh Crown for Ventilation Organic Cotton Sweatband Organic Cotton Inner Pouch with Care Instructions