4.5 oz./yd², US grown, 100% ring-spun cotton, 30 singlesAsh is 99/1 cotton/polyesterLight Steel is 90/10 cotton/polyesterCVC - Heather colors are 60/40 cotton/polyesterPre-shrunkClean Canvas Technology for superior printabilitySelf-fabric neck tape for comfortDouble-needle sleeves and bottom hemCPSIA tracking label compliantBlack tear away labelThis 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