Due to the way I had originally included coding in this mod, it did not respond properly within character folders and MoreClothing. In folders, the shoes would flicker between the normal and Feet4Heels versions; in MoreClothing, the boots would not properly respond when working with Feet4Heels (in short, the original version's "swap" functionality - swapping between a default set and a F4H set when the latter was loaded - was not working as intended).
Based on research by myself and others there does not appear to be an easy fix at this time; as such, I'm opting to split the F4H variant out into its own mod and have the "full" set be vanilla.
The actual look of the mod is unchanged by this.