Calvin Mira t shirt Nikola Tesla If you wish to understand Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 58% Cotton, 42% Polyester Imported Machine wash cold with like colors, dry low heat Nikola Tesla T-shirt/tee, Nikola Tesla Men's T-Shirt, tesla t shirts Qraphic Tee Men's Nikola Tesla T-Shirt, Stooble Men's Nikola Tesla T-Shirt, Shirt.Woot - Men's Team Tesla T-Shirt - Black This premium t-shirt is made of lightweight fine jersey fabric Fit: Slim (consider ordering a larger size for a looser fit)