Each character has a Sakura t-shirt, water bottle ... Splashes of pink thanks to the blossoms surrounding the hedgehog, and Shadow appears to be wearing a jacket that matches his shoes, or ...

Shadow, and Tails have a few things they can wear, including the leading hedgehog's shoes that are a part of the Sonic bundle or can be bought separately. There's also a blue Sonic 3 t-shirt that ...