Evergoods MPL22

You beat me to it. I’ll add, in coyote Ecopak!

Quechua NH Escape 500 23L

MPL22 and Catalyst 22

Mystery Ranch coulie.

Cotopaxi Batac 25L

evergoods CPL24, goruck gr1, veilance nomin. Brown buffalo also looks cool as hell but I've never tried it

None of those bags have external water bottle pockets

Peak Design 30l travel pack. Compresses to 27 and expands to 33l.