Seems like it would help keep the shorts from getting stinky.

Edit 1: friction is the answer

Edit 2: sorry for this edit -- i was trying to make a new post, but Blorp for some reason took me to editing this one instead. Trying to put it back the way it was...

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[–] 29 points 3 months ago

you wash it after every ride anyway. on the plus side, you get no underwear rashes that you would definitely get if you wore underwear.

and my personal favourite reason: your underwear doesn't "cut" int your belly.

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