Steps for altering your avatar’s appearance in every Roblox experience, from adding and removing items to changing your skin ...

Each category has free in-game items for the avatar. Roblox hair, hats, heads, shirts, faces, neck, shoulders, front, back, waist, and a variety of additional accessories are all available for free.

Roblox has a new face-tracking feature, which allows avatars to move their lips mirroring the player’s. Players are using it to make memes and viral videos on TikTok.

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.