4.3 oz./yd² (US) 7.2 oz./L yd (CA), 100% preshrunk combed ringspun cotton, 30 singles Heather Grey is 90/10 cotton/polyester Heather Colors are 35/65 cotton/polyester Semi-fitted High stitch density for smoother printing surface Shoulder-to-shoulder taping and seamed mitered V-neck collar Double-needle stitched sleeves and bottom hem Oeko-Tex® Standard 100 Certified TearAway™ label