Ninja In Training shirt features Japanese calligraphy symbol for Ninjutsu as letter "I". and cartoon ninja karate kick with red circle of the sun from the Japanese flag in background. Ninja Kids Shirts make a great gift for ninja birthday party themes for any boy or girl that wants to become a ninja master warrior one day or loves karate, taekwondo, judo or other martial arts discipline. Lightweight, Classic fit, Double-needle sleeve and bottom hem