Neutrals - Youth 5.3 oz. Heavy Cotton T-Shirt. Made of 100% preshrunk cotton. Features seamless rib at neck, taped shoulder-to-shoulder, and double-needle stitching throughout. Wear as is or use for layering. This high-quality heavyweight cotton t-shirt is great for any occasion. Ash Grey is 99% cotton, 1% polyester; Sport Grey is 90% cotton, 10% polyester.