100% eXtreme mesh cationic colorfast polyester, 100 denier tricot mesh with moisture-management; Waist length jersey; Double thickness yoke and set-in mitered rib V-neck with bar tac; Cover hemmed elastic sleeve cuffs; Cover seamed throughout; Alleson size jock tag; This product meets the following Sustainable Style subcategory:Socially Conscious Manufacturing: This product was made in a facility that has partnered with or is accredited by the Fair Labor Association.