Body - 4 oz./yd/147 gsm (US), 6.7 oz./L yd (CA), 88/12 polyester/spandex ripstop. Lining - Polyester mesh Lining in upper back. Self-fabric collar with integrated collar stays. Right inseam pocket with invisible zipper. Side vents. Tear away label. Ultra UVP technology creates superior UPF 50+ sun protection with quick dry performance.