4 oz./yd/145 gsm (US), 6.7 oz./L yd (CA), 100% polyester. Birds eye mesh double knit. Quick dry, anti-microbial. Snag-resistant. Contrast inserts along shoulder and sleeves. Side vents. Center front coil zipper with semi-auto lock slider and rubber pull. Reflective piping detail at center front zipper. Tear away label. UV 50+protection.