Antique Cherry Red and Sport Grey are 90% cotton and 10% polyester. Blackberry, Dark Heather, Heather Sapphire, Sunset, are 50% cotton, 50% poly. Lilac, Safety Green, Safety Orange, Safety Pink are 50% cotton, 50% polyester. double-needle stitching throughout; seamless rib at neck. feminine ½" rib mid scoop neck; sideseamed with slightly tapered Missy fit