Acacia Nirvana American Grunge Rock Ultra Cotton Unisex T-Shirt Tall Sizes 100% Pre-shrunk cotton. Safety Green is 50/50 cotton/polyester & Sport Grey is 90/10 cotton/polyester. Seamless seven-eighths inch collar. Satin label. Double-needle stitched neckline and sleeves Proudly designed and printed in USA Wash Inside Out with Cold Water. Hand dry recommended.