Bella + Canvas Unisex 3/4-Sleeve Baseball T-Shirt, WHITE/KELLY Polyester Imported 3.6 oz. 52% combed and ringspun cotton 48% polyester Marble colors are 91% polyester 9% combed ringspun cotton 30 singles 4 oz. Triblends - 50% poly 25% combed ringspun cotton 25% rayon 40 singles 3.8 oz. Neon colors are 52% combed ringspun cotton 48% polyester 40 singles 3.6 oz. 40 singles