5 oz./yd² (US) 8.1 oz./L yd (CA)., 100% cotton preshrunk jersey, 23 singlesAthletic Grey is 90/10 cotton/polyester (US only)Sport Grey is 90/10 cotton/polyester (CA only)Heather & Safety colors are 50/50 cotton/polyesterTaped neck and shouldersDouble needle sleeve and bottom hemDouble needle cover seamed neckTubular constructionQuarter-turned bodyTear away label USMCA CertifiedThis product meets the following Sustainable Style subcategories:Sustainable Manufacturing: This brand is working towards an OEKO-TEX Standard 100 certificationSocially Conscious Manufacturing: This product was made in a facility that holds a SMETA audit certification