Very, very, very good job on it. Congrats.
Only things I find is (one of them I have the same issue myself), flak vest just a little loose on the belly area... I need to figure out how, but I have some ideas using some elastic strapping on the not-visible area where the jetpack could hide...
...and I see that the thigh pouches are a tad low in regard of position, perhaps repositioning them according to more better-looking measurements (about 5 cm up and 3 cm outwards, and vertically aligned). Trust me and believe me, I've had the same issue years ago when I did the undersuit myself... I had to redo the thigh pouches location, since they were too low based on ref pics and my own fitting.
Otherwise... outstanding job.