Miyamoto Musashi Samurai T-Shirt Bushido Warrior Wisdom Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat Warrior poet and stoic behind the Book of 5 Rings Shirts may shrink some when washing so please check the size chart before ordering Lightweight, Classic fit, Double-needle sleeve and bottom hem