How to craft 'Roblox' characters.Once you make it to the "Avatar Editor" screen, you'll be able to choose from several options that let you customize your avatar's clothing, accessories, body, and ...

In addition to games, players can also create outfits on Roblox and showcase their creations to the world. The platform allows users to design clothes and sell them to others for a price.

Much like most things on Roblox, you will be making this yourself from scratch, so you'll need to design a t-shirt in an image and then upload it to Roblox.