Fabric & details5.2 oz./yd²., 50/50 US grown cotton/polyester jersey, 20 singles; Classic fit Clean finished placket with two pearlized buttons Welt collar and rib-knit cuffs Tear away label CPSIA tracking label compliant Responsible Materials: contains US grown BCI cotton Responsible Manufacturing: Meets OEKO-TEX® Standard 100 requirements and the company that makes this product is Fair Labor Accredited.