4.5 oz./yd², 100% ringspun USA cotton, 30 singles; Heather Charcoal is 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;