A year-round essential, our best-selling t-shirt has been voted 'most popular' by groups, teams, clubs and schools across America. Heavyweight 6.1-ounce, 100% cotton (preshrunk) Shoulder-to-shoulder taping Coverseamed neck Double-needle hem Ash is 99/1 cotton/poly. Athletic Heather is 90/10 cotton/poly. Dark Heather Grey is 60/40 cotton/poly.