5 oz./yd², US grown, 100% cotton, 22 singles Ash is 99/1 cotton/polyester, 20 singles Light Steel is 90/10 cotton/polyester, 20 singles CVC - Charcoal Heather and Oxford Grey are 60/40 cotton/polyester, 20 singles Pre-shrunk Classic fit Set-in 1x1 ribbed crewneck Self-fabric neck tape for comfort Double-needle sleeves and bottom hem Quarter turned body CPSIA tracking label compliant Tear away label This product meets the following Sustainable Style subcategories:Sustainable Manufacturing: This product was made in a facility that is run by at least 50% renewable energySocially Conscious Manufacturing: This product was made in a facility that utilizes the Higg Index and has implemented Level 2 practices or above, and was made by a mill that has partnered with or is accredited by the Fair Labor Association