Quote Originally Posted by ggammell View Post
Consider Sidecar to be gen 1 and the Tier 1 version the next evolution. The people who complain about the side car report that it’s single piece design causes the Jude’s to break because it isn’t flexible. Tier 1 adds centerline flexibility.

Then there is the Phlster Flex which is a soft back that allows you to attach you holster and mag pouch or whatever else where you wasn’t it. That’s kind of like gen 3 of the whole AIWB combo holster.
This.

To add, they add perceived convenience when it's not needed. The Flex resolves that and maintains the needed versatility in sizing that the others lack. It's the only way to combine both a pouch and holster that doesn't compromise one or both units.