to all of you that enjoy this, I respect your right to do it but hot dammnnn.
After all, mammals have been running long before underwear was invented.
Edit: I just sat on my bicycle in my garage, and I don't see it being an issue. Try it out, although research nude etiquette, laws, and places to go first :-)
You can start here: https://www.aanr.com/aanr_articles/the-history-of-nudism/
It also takes enjoying nature while hiking, to another level.
its a curious state of affairs here. public nudity is illegal, but privacy is prime, and you can live your life nude on private property as long as no one complains.
this is one of those laws that are a schism, commonle people dont care, or get a PMSL, as long as your not lewd, or harrasing kids, and most importantly, how do you conduct yourself when somone says you are causing discomfort.
the WNBR often hands out seat covers [branded]
https://duckduckgo.com/?q=bicycle+seats&ia=images&iax=images [IMGs of seats]
https://wiki.worldnakedbikeride.org/wiki/San_Francisco
Saturday 18 April #EarthDay Ride&AfterParty
..and remember, this isnt a gooning, its a political outing, supposed to be protected by free speech as long as you realize social rules dont disappear along with the textile.