In order that the competition is fair, there are several rules that the designers must abide by.

・The body of the T-shirts are all identical.
The T-shirts are designed for 4 sizes of shirt (XS, S, M, L) with the same size print for all T-shirts. The design must be made so that it fits on each of the different body sizes.

・The only areas the designers can work with are the body color, and the surface print.。

・The print design is silk screen, in pantone or CMYK, with a maximum of 4 printing plates.

・The printing techniques available are as follows:
Color-dye print, color-dye photo print, bleed-dye print, foam rubber print, rubber print, heavy print

・The size of the print is free.
But hand-drawn design or alterations to the body itself (such as embroidery, stitching, tearing or cutting with scissors etc) are forbidden. The competition is for the surface design only.

・As well as the T-shirt itself, a 2-color red and black label must also be designed.