~ 4.5 oz., 100% preshrunk ringspun cotton ~Sport Grey and Antique Heathers: 90% cotton, 10% polyester ~Graphite Heather: 50% ringspun cotton. 50% polyester ~Heathers: 35% cotton, 65% polyester ~¾" rib knit collar ~double-needle stitched sleeves and bottom hem ~taped neck and shoulders