5-ounce, 100% cotton jersey High density fabric for exceptional print clarity Seamless 1x1 rib knit collar Double-needle coverstitching on front neck Shoulder-to-shoulder taping Rib knit cuffs with concealed seam Double-needle hem Ash is 98/2 cotton/poly Athletic Heather is 90/10 cotton/poly Black Heather is 50/50 cotton/poly