4.7 oz., 100% cotton; Athletic Heather is 90% cotton, 10% polyester; Made with sustainably sourced USA grown cotton; breathable and lightweight fabric with superior softness ; tear away label; contemporary silhoutte slightly fitted through the chest and sleeves; narrow, set-in 1x1 rib mitered V-neck collar with a clean neckline; shoulder-to-shoulder taping; double-needle hemmed sleeves and bottom