Ninja Pi Day T-Shirt – 3.14 Kick Math Graphic Tee, Funny Martial Arts Shirt

Math just hit different.

The Ninja Pi Day tee delivers a perfect combo of brains and action—featuring a shadowy ninja mid-kick, blasting through 3.14 in an explosive burst of energy. It’s a bold, playful design that turns a classic math symbol into a full-on moment.

Whether you’re celebrating Pi Day or just love clever graphics, this shirt brings humor, motion, and attitude together in one clean hit.

Product features

- 100% Airlume combed and ring-spun cotton: lightweight and breathable

- Ribbed knit crew collar with seam for shape retention

- Side seams and shoulder tape for better structure and longer-lasting fit

- Tear-away label and REACH certified; responsibly manufactured with Fair Labor standards

Care instructions

- Machine wash: cold (max 30C or 90F)

- Non-chlorine: bleach as needed

- Tumble dry: low heat

- Iron, steam or dry: medium heat

- Do not dryclean