He trained day in and day out.
The shirt is made out of a cotton and polyester blend, and it has printed details to make it look just like Naruto's outfit from Shippuden. And in the end, he eventually made his lifelong dream of being Hokage a reality. It's an easy way to dress up like your favorite ninja, but it's also comfy enough for everyday wear, so you can add this shirt into your normal wardrobe rotation.