4.5 oz./yd², 100% ring-spun USA premium 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