6 oz.; Colors: 100% combed ringspun cotton; Sport Grey: 90% cotton, 10% polyester; Graphite Heather: 50% cotton, 50% polyester; Made with sustainably and fairly grown USA cotton; Classic fit; Seamless non-topstitched 7/8"collar; Taped neck and shoulders; Tear away label; 7/8" double needle sleeve and bottom hems; Quarter-turned to eliminate center crease; Gildan's manufacturing process utilizes 45% renewable energy; Gildan?s Community Investment Program supports education, the environment, humanitarian aid and active living in the communities we do business in;