How to combine two different Clothing mods into one.

I want to combine these two separate meshes and textures into one new .ydd file? With a single diffuse sample and material.

Can this be done?
If so, how?
Thanks

Cj24

Am i somewhat on the right track?
Can i do this in blender?

Im familiar with zmodeler3 if i need to download that.
My B about posting in wrong forum btw.