3.6 oz.; 50% combed ring-spun cotton, 50% polyester; Made with 50% sustainable and fairly grown US cotton; Shoulder-to-shoulder tape and 7/8" seamed collar; 1" blind-stitch sleeve hem; 1" double-needle bottom hem; Double-satin razor label; Sideseamed; 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