4.5 oz./yd², pre-shrunk 100% ringspun USA cottonHeather Grey is 90/10 ringspun cotton/polyesterOther Heathers are 50/50 ringspun cotton/polyesterReactive-dyed for longer lasting colorRibbed crewneck collarBack neck tapeShoulder-to-shoulder tapingDouble-needle stitching on sleeves and bottom hemTear away labelUSMCA certified