Hypalon

And then there are a couple materials that sit alongside this ecosystem.

Hypalon.

Hypalon is a synthetic rubber, TPU-coated nylon 6-6, typically a 210 denier base.

It's the same material they use on zodiac boats.

In bags, it shows up at critical stress points, handle attachment zones, shoulder strap connections, drag handles, moly attachment areas.

light, walk away.

Milspectike 3, webbing for straps and mole.

Bartax or box, X-stitching at every attachment point, Hypalon or equivalent reinforcement at high stress junctions.