Been reporting this for a long time now, but with the unvaulting coming soon I figured it might be worth trying again. Oberon Prime's back tabard has an excessive cloth collision on the lower legs area. EDIT 04/04/2020: SOOOOOOOOOOOOO It turns out it's not the tabard cloth physics that's wrong. After checking the Codex and my Oberon Prime noggle, I have discovered that the whole back tabard piece is MISPOSITIONED. It's sitting lower and tilted at an angle inside for reasons: