Gildan 12 Pack Heavy Cotton T-Shirt - 5000 100% Cotton 5.3 oz., pre-shrunk 100% cotton. Blackberry, Dark Heather, Graphite Heather, Heather Military Green, Heather Red, Heather Sapphire, Lilac, Midnight, Neon Blue, Neon Green, Russet, Safety Green, S. Orange, Safety Pink, Sunset and Tweed are 50/50 cotton/polyester. Antique Cherry Red, Antique Irish Green, Antique Jade Dome, Antique Orange, Antique Sapphire and Sport Grey are 90/10 cotton/polyester. Ash is 99/1 cotton/polyester.