The flexible underlay was an enhancement that increased the suppleness of armor, thereby allowing the wearer greater degree of movement. The Mark I, II, III, IV, & V versions in turn boosted the amount of flexibility.
| Identifier (URI) | Rank |
|---|---|
| dbkwik:resource/V8548Hs2kPwEaxa7EfnNcQ== | 5.88129e-14 |