Body: 6.5 oz./yd≤/220 gsm, 100% cotton denim; Lining: 65% polyester, 35% cotton jersey; Lining is Grey Heather for all colors; Button-down collar; Double chest pockets with button closures; Pearlized buttons; Relaxed fit; Heavyweight work shirt for extra warmth or a lightweight layering piece for on-the-go;