4 oz./yd (US), 6.7 oz./L yd (CA), 100% polyester interlock jersey with Pro-Lock technology. Pro-Lock collections cationic disperse dyed polyester locks in colorfastness to create a bleed-resistant print surface that produces vibrant, crisp graphics.. Standard fit. Moisture-management. Snag resistant. 3" self-fabric cadet collar. Dyed-to-match zipper with top and bottom self-fabric covering and locking YKK pull in Black. Hemmed long sleeves. UPF rating of 50. Tear away label for comfort and relabeling.