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; Double-needle hemmed sleeves and bottom; Contemporary silhoutte slightly fitted through the chest and sleeves; Narrow, set-in 1x1 rib collar with a clean neckline; Shoulder-to-shoulder taping; Tear away label; Fruit of the Loom styles are manufactured using sustainable protocols which are measured and reported annually by Fruit of the Loom, Inc.; Fruit of the Loom styles are manufactured with the commitment to enriching lives for people and communities which is measured and reported annually by Fruit of the Loom, Inc.