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 ManufacturingSocially Conscious ManufacturingResponsible Mindset Specifications Spec Value XS – Body Length 27 M – Body Length 29 XS – Chest Width (Laid Flat) 16 M – Chest Width (Laid Flat) 20