Nikola Tesla Large Portrait T-shirt/tee - Royal X-Large 100% Cotton ("Heather" and "Safety" colors are 50/50 cotton/polyester. "Antique" and "Sport" colors are 90/10 cotton/polyester, Ash Grey is 99/1 cotton polyester,) Machine washable, pre-shrunk Double-needle stitched neckline, bottom hem and sleeves Seven-eighths inch collar Design may appear smaller, or larger depending on size purchased. Printed In San Luis Obispo, CA