...ok, I tried it out first on my V3 Stockings... this particular pair is all one mesh (and all one material). I duplicated the Right leg and created a second layer as a new material. I set the original material to green and the new material to red... as you can see, there are 'polygon sorting' issues when rendering - this is what I was afraid of. Since the old and new polygons are in the same 3D space, it's really just a matter of chance (acually programming particulars) as to which polygon gets rendered 'on top'. Now, if both materials are semi-transparent, it might not matter as much (there would still be rendering artifacts), but my personal oppinion is that this method is more trouble than it's worth for the results you get. I think you're better off using multiple (scaled) meshes.... sorry.

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