4.3 oz./yd., 100% combed ringspun USA premium cotton fine jersey, 30 singles. Heather Grey is 90/10 combed ringspun USA premium cotton/polyester. Reactive-dyed, dischargeable. Pre-washed to minimize shrinkage. Ribbed collar. Taped neck and shoulders. Side seams. Double-needle sleeves and bottom hem. Tear away label. USMCA Certified.