The BL Royal 16 G V Le livre de femmes nobles et renomées -manuscript show some amazon warriors in what appears to be lames of plate combined with.
Boob plate, if made correctly to the wearer's shape, would most certainly prove more comfortable to wear than standard plate. "But it's not.
Never mind the chainmail bikinis—what about those awkward breast plates in armor that we see frequently in fantasy artwork and at the Ren.
Boob-shaped armor doesn't just look utterly ridiculous — it would actually result in your immediate death, probably the first time you tried to.