6 oz./yd², 100% cotton, 18 singles; Athletic Heather is 90% cotton, 10% polyester; Charcoal Heather is 50% cotton, 50% polyester; Made with sustainably and fairly grown US cotton; Set-on self fabric neck and armholes with double-needle stitching; Double-needle bottom hem; Preshrunk; Tear away label; Alstyle’s manufacturing process utilizes 45% renewable energy; Alstyle®, through Gildans Community Investment Program, supports education, the environment, humanitarian aid and active living in the communities we do business in