I could be wrong..
But I think there's some mods / skeletons out there that already have this c:
I do love the idea of floating around without the use of wings though and to have it implemented into the game itself can be challenging without the code. But nonetheless, nice idea ^^
What everyone says is true. We can not have invisible wings as a default wing in the actual character creator itself, although it is possible to use them in presets. But these tend to be picky. One of my character's wings are invisible, but when they are folded, the reflect the land around them, and the creator of the preset has yet to figure out how to fix it. But invisible wings are a very nice idea and would be a very neat thing to see.