Tee features include: 4.5 oz./yd², 100% ring-spun USA cotton, 30 singles, Heather Grey is 90/10 ring-spun cotton/polyester, Other Heathers are 50/50 ring-spun cotton/polyester, Reactive-dyed for longer lasting color, Pre-washed to minimize shrinkage, Contrast ribbed binding on neckline and sleeves, Taped neck and shoulders, Double-needle stitching on neck and bottom hem, Tear away label, USMCA certified.