Description 100% Polyester Double Pique, 4.28 oz/yd2 (USA) / 145gsm (CDN). Stormtech® H2X-DRY® Moisture Wicking Fabric. Snag Resistant Fabric. UPF Rating 40+. 3-Button Placket. Hem Side Slits. Self-Fabric Collar. Mechanical Stretch. Double Needle Stitching at Cuff and Hem.