The black mini skirt is a simple skirt which should fit to the female character. It should work with the V Neck Top (maybe some faces poke through ...) and also with the underwear I loaded. Delete groups are not used. If you select all faces of the zipper, you can assign this to a glossy shader in Blender (like in the example). As a material I tried a combination of normal-map and diffuse-texture which works in MH itself. So I took the leather litsphere. When you export it to blender the litsphere does not matter, because the materials and textures are added as always.