Bella womens Slouchy T-Shirt(8816)-MIDNIGHT-2XL 100% Polyester 3.7 oz. 65% polyester 35% viscose 30 singles Athletic Heather is 52% polyester 48% viscose Triblends - 50% poly 25% combed ringspun cotton 25% rayon 40 singles 3.8 oz. Marble colors are 91% poly 9% combed ringspun cotton 40 singles 3.5 oz.