Neutrals - Gildan Ultra Cotton (R) 6 oz Tall t-shirt. 2 1/2" longer than our unisex t-shirt. Gildan has crafted a hefty 6 oz shirt complete with tough taped shoulder-to-shoulder seams and shrink-resistant performance. 100% preshrunk cotton. Double-needle stitching throughout. Seamless collar. Ash Gray is 99% cotton, 1% polyester. Antique Cherry Red, Antique Irish Green, Antique Royal and Sport Gray are 90% cotton, 10% polyester.