4.5 oz./yd², 100% ringspun USA cotton Heather Grey is 90/10 ringspun cotton/polyester Other Heathers are 50/50 ringspun cotton/polyester Reactive-dyed for longer lasting color Pre-washed to minimize shrinkage Ribbed collar Taped neck and shoulders Double needle stitching on sleeves and bottom hem Overlock stitching on bottom hem Contrast color three-quarter sleeves Tear away label USMCA certified