The sun will have a hard time getting through with the Jack Wolfskin Texapore 2-in-1 Hat. Flat full brim fabric hat with hook-and-loop patches to fold brim up at either side. Adjustable chin strap for windy conditions. Outstanding UV 40+ protection meets AS/NZ 4399:1996 standard. Round full brim. Mesh lining is breathable airy and moisture-wicking to keep you cool and fresh all day long. 100% polyester. Imported. Measurements: Circumference: 20 1 2 in Brim: 4 in Product measurements were taken using size MD/LG.