Users can create shirts by creating an image based on a template and then publish them using the shirt ContentBuilder. After being reviewed by a moderator and approved, the user then can sell or use the shirt. Only Roblox Premium members can make and sell shirts, but everyone can buy them. The Roblox Premium member can sell them for Robux.
A slightly popular program to use for shirts/pants is Paint.NET, a paint program, because of its ability to make shirts transparent. A few users have published videos that demonstrate shirt shading using Paint.NET or GIMP. and MS Paint.
The price floor for shirts was 10 Robux, but now it is 5 Robux.
Templates are tools that create the basic layout of clothing and help guide creators in designing their clothing.