The New Outdoor Research Sombriolet Sun Hat (Multicam) Traditional Hats, unisex, Hats , Traditional , General Traditional, MD (7 1/8), true, Enjoy the outdoors more and worry less about the sun's harmful rays. The Sombriolet Sun Hat features UPF 50+ fabric to shield you from intense sun and the strategically placed vents help you stay cool. One-handed draw cord adjustment. Removable chin cord. Features side vents on crown external breathable mesh panels and an embroidered brand logo. 86% nylon 14% polyester double weave ripstop crown. Supplex 100% nylon plain weave under brim. 100% nylon mesh crown lining (Multicam: 50% cotton 50% nylon. Realtree Xtra: 60% cotton 40% polyester) Imported. Measurements: Circumference: 23 in Brim: 4 in Product measurements were taken using size XL (7 5/8). Please note that measurements may vary by size.