4.6 oz./yd², 100% ring-spun cotton, 30 singles; Aqua Velvet Heather, Candy Hearts Heather, Mint To Be Heather, and Oatmeal Heather are 99/1 ring-spun cotton/polyester; Athletic Heather and Peppered Red Heather are 90/10 ring-spun cotton/polyester; Black Ink Heather, Charcoal Heather, Fiery Red Heather, Indigo Heather, Irish Green Heather, Military Green Heather, Mustard Heather, Retro Heather Purple, Retro Heather Royal are 60/40 ring-spun cotton/polyester; Classic fit; Seamless 1x1 rib collar with two-needle coverstitching on front neck; Shoulder-to-shoulder taping; Two-needle hemmed sleeves and bottom; Quarter-turned body; Tear away label; This product meets the following Sustainable Style subcategories:; Sustainable Manufacturing; Socially Conscious Manufacturing; Responsible Mindset;