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% soft spun cotton.1x1 rib knit collar.Shoulder-to-shoulder taping.Coverseamed neck.Double-needle sleeves and hem.Ash is 98/2 cotton/poly.Athletic Heather is 90/10 cotton/poly.Dark Heather Grey is 50/50 cotton/poly. Size Chart Please See Below