Gildan - Ultra Cotton 100% Cotton Long Sleeve T-Shirt with Pocket. 6-ounce, 100% cotton 50/50 cotton/poly (Safety Green, Safety Orange) 90/10 cotton/poly (Sport Grey) Double-needle neck and hem Taped neck and shoulders Single-needle left chest pocket with double-needle pocket hem Rib knit cuffs Due to the nature of 50/50 cotton/poly neon fabrics, special care must be taken throughout the printing process.