Here are the simple steps that can be followed ... Players must finally upload their custom-made templates: Step 1: Go to the same ‘Shirts’ section on Roblox’s website and choose the ...

Gamers can customize their avatar by creating clothing, like shirts and ... For each template, notice that the parts are "folded up" and wrapped around a Roblox character's body, arms, and ...

so you'll need to design a t-shirt in an image and then upload it to Roblox. From there, just select it to wear and you're sorted! You'll be best off having a couple of templates for this!