How to import Wearables (.skin, .hair. alpha, ect)

I'm still trying to figure this out. Trying to copy over a skirt from one alt to another, the store that sold it is long gone, the creator said she deleted it from her inventory, so I don't feel so bad. I download OldSkool, I log in, I drop the skirt onto the ground, right click, more, more, export, checked all the boxes and saved it. I, for giggles, did the Obj and textures too. I log out, log in my alt, and then File -> Import XML and selected the XML file. It says imported prim of 1/1 and I am left with just a box. I look at the XML in Notepad+ and I see a lot more than one prim. Also the _asset folder is empty. What am I doing wrong?