This is another reason why I don't wear underwear under compression shorts. (compressioncarl.com)
I used to, but for the various reasons outlined in this article it is best to not wear underwear under compression shorts. (compressioncarl.com)
These types of pants are generally used as an incentive for the child to master keeping their training pants dry so that they can wear underwear with their favorite character on them. (pottytrainingconcepts.com)