I was going to bring up the Gears of War COG armor, namely it's absurd size and proportions but the more I examined it, the more I realized that it's not all that bad as far as armor goes. The usual "armors too big" claim kind of goes out the window when you look at unarmored humans and realize they're fucking huge as well. Every Gear out of armor is massively stacked, obviously roided out, and actually proportional to his armor. Even women and the COG female armor are proportionate to each other. I used Anya as my point of reference but even on her much smaller frame compared to Marcus, the much smaller armor she wears still works properly. Human armor seems like the designers applied the logic of ship armor, the all-or-nothing concept, to humans and came up with designs that worked.
Unfortunately the same attention to detail was not as well applied to the locust. In canon, an unarmored locust drone has skin thick enough to stop rifle rounds from a Lancer and also snap bayonets(which prompted the development of the famous chainsaw bayonet). So, as a result pretty much every locust drone goes into war shirtless or wearing bits of leather. Considering the Locust are a subterranean species, the opportunity for equivalent armor made from the shells of rockworms or other underground species with carapaces.
The lambert kind of dodged this in the same way the flood did: they're too squishy for FMJ rounds to properly damage so the thickness of their skin is a non-issue.
