8.4 oz./yd (US), 14 oz/L yd (CA), 80/20 ring-spuncotton/polyester with 100% ring-spun cotton face, 20 singlesDark Heather is 50/50 cotton/polyesterSport Grey is 75/25 cotton/polyesterClassic fitDropped shoulder1x1 rib with spandex cuffs and bottom band for enhanced stretch and recoveryTear away labelGildan 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 by a mill who partnered with Fair Labor Association and was made in a facility that is WRAP certified.