Note: Users should have Roblox Studios installed on their PCs to create a custom shirt design. The developers have made templates for items like shirts available on the internet, and players must ...

Go to the Roblox Studio and access the asset manager through the view tab. A T-shirt is the simplest design to create but ... For each template, notice that the parts are "folded up" and wrapped ...

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!