Head 'N Home Handmade Hats - SolAir Brand Cabana Latte Breathable Mesh Sun Hat - Size Large Nylon Mesh Made in USA Polyester and nylon mesh hat that is lightweight and extremely durable. Laminate under the top of the hat and the brim provides excellent sun protection- blocking 80% of the sun's rays- while the mesh crown in open and airy to provide cooling airflow. 4 1/8" Crown - 2 5/8" Brim - 1/2 Hatband Packable & Hand Washable - UPF 50+ - Made in USA Before purchasing, see Sizing info for instructions on determining the proper hat size to order.