Converted to SSE with Outfit Studio and SSE NIF Optimizer. No physics engine needed this far (the original mod actually had TBBP bones, not HDT), as I removed these because my setup does not use HDT.   I already pre-generated a set of meshes for UNP Regular.   Not sure if the other male meshes would work in SSE, though.   To make them usable with the Bodyslide system you'll have to get the Legacy UUNP files from Ousnius and install them along with the other requirem