3.7 oz., 65% polyester, 35% viscose ; 30 singles; Athletic Heather is 52% polyester, 48% viscose; Triblends - 50% poly/25% combed ringspun cotton/25% rayon, 40 singles, 3.8 oz.; Slub - 50% poly/37.5% combed ringspun cotton/12.5% rayon, 30 singles, 3.8 oz.; ; Black Mineral Wash - 52% combed ringspun cotton/48% poly, 30 singles, 4.2 oz.; slouchy fit; sideseamed;