Description4.2 oz./yd² (US), 7 oz./L yd (CA), 52/48 Airlume combed and ring-spun cotton/polyester, 32 singlesAthletic Heather & Black Heather are 90/10 Airlume combed and ring-spun cotton/polyesterPre-shrunkRetail fitUnisex sizing2" ribbed cuffsCoverstitched collarSide seamsTear away labelResponsible Supplier: this product was made in a facility that is Bluesign certified.