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I've found a pretty easy workaround that works for me. I pick a section of the Supersuit that I want the finger gaps to match and note what shader it uses. Then I apply that shader (DAZ Studio Default, e.g.) to the Genesis hands. Then I  copy the surface setting from the Supersuit and paste it to the Genesis hands surface. (It would be even easier if "paste surface setting" also changed to the appropriate shader, but it doesn't.)

 

If you find the shader in the included sets, you can just apply it in one step. That gold shader on the knuckles is 

Shader Presets>Supersuit>Plastic>Plastic - Goldish (Fury)