Plan: Treated lining BOS underarmor is a plan in Fallout 76. LocationEdit Section needed This section is needed but has not been written yet. You can help Nukapedia by writing it. UnlocksEdit Crafting of the BoS treated underarmor. Retrieved from "https://fallout.fandom.com/wiki/Plan:_Treated_lining_BoS_underarmor?oldid=3096394" Categories: Section needed (Fallout 76)Fallout 76 plans Community content is available under CC-BY-SA unless otherwise noted.