4.5 oz./yd², 60/30/10 recycled polyester/US grown ring-spun cotton/rayonThe polyester content is currently transitioning to CiCLO® polyesterUPF 40+ protection Modern fitClean Canvas Technology for superior printability1x1 ribbed, lay-flat collarSelf-fabric neck tape for comfortBlack tear away labelThis product meets the following Sustainable Style subcategories:Sustainable Materials: Contains 60% recycled polyesterSustainable 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