The Extreme Condition Hat from Adams Headwear is the ultimate outdoor activity hat which features 4 panel low profile crown and UPF 50+ protective fabric. Mesh panels and large screen metal eyelets promote air flow and moisture release. 3-1/2" foam covered visor ensures floatation while 8-1/2" veil protects neck and ears. Veil includes patented hidden zipper. Never lose your hat with the elastic cord feature with metal clip which attaches to your shirt. Additional outdoor friendly features include terry sweatband and Cool-Crown mesh lining. One size fits all with adjustable back.