This somewhat unusual shirt has a bit of a sporty feel to it.
The "Sonic X" word is repeated in a circular team-logo like fashion, with Jumping Punch Sonic in the middle. Oddly enough is a yellow line structure, but it looks more like a lense flare (why) for some reason. Here, another thumbs up Sonic plastic piece has been applied. The copyright info goes around one edge of the circle. With the contrasting red collar, and double red stripes on the sleeves, this gives off a sports like style.