I have a pair of gore brand bib longs, warm but not boiling. Bought from the bike chain in the good old days. Still doing the business. mark made claim the technology meant they became thicker as they aged. I haven't found this but they haven't got thinner, pad or tights.
I have a pair of endura fleece lined waterproof bib longs. Amazing but too warm except on very very cold days and no pad
I have pair of altura three quarters, they are very thin and really just for winter into spring and summer into autumn
The gore and altura are ancient, the endura newer, but still old, I just haven't worn them much, in case anyone thinks I have a bib long obsession?