Gildan® Ultra Cotton - 100% Cotton T-Shirt. 2000 6.1-ounce, 100% cotton jersey; seamless double needle collar, taped neck and shoulders, double needle sleeve and bottom hem. Adult sizes: S-2XL Sport Grey -- 90/10 Cotton/Poly Ash -- 99/1 Cotton/Poly Dark Heather -- 50/50 Cotton/Poly