4.5 oz./yd² (US) 7 oz./L yd (CA), 100% combed ring-spun cotton, 30 singlesAsh Grey is 99/1 ring-spun cotton/polyesterHeather Grey is 90/10 ring-spun cotton/polyester100% cotton thread on color WhiteRelaxed fitClassic width, rib collarTaped neck and shoulders for comfort and durabilitySide seamsTear away labelAmerican Apparel partners with Better Cotton to improve cotton farming globallyMade with OEKO-TEX certified low-impact dyesThis product meets the following Sustainable Style subcategories:Sustainable Manufacturing: This product meets the OEKO-TEX Standard 100.Socially Conscious Manufacturing: This product was made in a facility that utilizes the Higg Index and has implemented Level 2 practices or above, was made by a mill who partnered with Fair Labor Association and was made in a facility that is WRAP certified.