Fortunately, I have the answer for you of what skirt to wear for the Infinity Nikki Camouflage Kindled Inspiration quest. Before you can even do the Camouflaged side quest, there is a prerequisite.

The high-cut leg openings and thong back make the bodysuit invisible when worn under tight-fitting pants and skirts. If you’re headed somewhere warm you can confidently wear it without an extra ...