4.5 oz./yd (US) 7.5 oz./L yd (CA),100% cotton, 30 singles. Heather Purple & Dark Heather are 65/35 polyester/cotton. Sport Grey is 90/10 cotton/polyester. Modern classic fit. High stitch density for smoother printing surface. Non-topstitched, narrow width, rib collar. Taped neck and shoulders. Double-needle sleeve and bottom hems. Side seams. Tear away label.