Installation:
Copy texture folder into data folder. Add these lines into your ArchiveInvalidation file:

textures/armor/bosunderarmor/outfitf.dds
textures/armor/bosunderarmor/outfitf_n.dds
textures/armor/headgear/bosunderarmorhelmet.dds
textures/armor/headgear/bosunderarmorhelmet_n.dds
textures/armor/bosunderarmor/outfitm.dds
textures/armor/bosunderarmor/outfitm_n.dds