Personalized Ninja In Training Women's Plus Size T-Shirt. Women's Plus Size T-Shirt - Vintage Red with adorable baby Ninja says NINJA IN TRAINING. Perfect for your little warrior. Baby Ninja used on this item is licensed and copyright from Graphics Factory.com. Matching NINJA MASTER also available. 100% combed ringspun cotton premium jersey (CVC Colors are 60/40 combed ringspun cotton/polyester)