VaporKnit technology features breathable, flexible fabric with moisture-wicking propertiesChainmaille Mesh Grill at front neck and back seam lines inspired by the authentic on-field jerseyNike LimitedOfficially licensedMaterial: 100% Recycled PolyesterVapor untouchable limited chassisBrand: NikeEmbroidered accentsSatin twill woven jock tagImportedMachine wash, tumble dry lowMetallic-effect NFL shield at collarStitched tackle twill name and numbers