5.4 oz., 100% preshrunk combed ringspun cotton, 24 singles,Ash is 99/1 cotton/polyester,Heather Grey is 90/10 cotton/polyester,Heather Dark Grey is 50/50 cotton/polyester,Double-needle stitching on neck, sleeves, and bottom hem,Shoulder-to-shoulder taping,Seven-eighths inch seamless rib collar,Oeko-Tex� Standard 100 Certified,TearAway� label�