6 oz./yd² (US) 10 oz./L yd (CA), 100% ring-spun cotton, 20 singlesGraphite Heather is 50/50 cotton/polyesterSport Grey is 90/10 cotton/black polyesterMade with our soft ring spun cotton, Hammer's high stitch density fabric provides a heavier weight, smooth printing surfaceModern classic fitClassic width, rib collarTaped neck and shoulders for comfort and durabilityTear 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 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.