4.3 oz./yd2, 30/1's fabric; 100% combed ring-spun cotton; Heather Grey is 90% cotton/ 10% polyester; 100% cotton thread on color White;Shoulder-to-shoulder tape and 7/8" seamed collar; Rib sleeve cuffs; 1'' double-needle bottom hem; Tubular body; Tear away label; American Apparel's manufacturing process utilizes 45% renewable energy; American Apparel®, through Gildan's Community Investment Program, supports education, the environment, humanitarian aid and active living in the communities we do business in;