100% preshrunk cotton; Ash Grey is 99/1; Sport Grey is 90/10; seamless rib at neck; taped shoulder-to-shoulder; double-needle stitching throughout; Antique Colors (Cherry Red, Irish Green, Jade Dome, Orange) are 90/10; Dark Heather, Heather (Military Green, Red, Sapphire), Midnight, Lilac are 50/50; Blackberry, Russet, Safety Green, Orange & Pink, Sunset, Tweed are 50/50;