This 100% cotton shirt is a cool design but also teaches you how to do the Cube in a Cube algorithm. Perfect for showing off your cubing skillz and sharing the knowledge. These sizes are for women and preteen girls, it's a typical fit t-shirt made for the female-shaped body.
Here's a tutorial if you need for the Cube in a Cube and if you're feeling ambitious and want to learn how to do the Cube in a Cube in a Cube on the 3X3, here is that tutorial!