So the logistics of balls and running...The swinging part isn't really that big of a deal. Like someone else said, they tend to hide during physical exertion and most wear briefs as far as I know.
When/if you run do they swing and hit your thighs? That just seems like it would get annoying really quick.... Originally Posted by LyssandraAsh
For the boxer fans, the rashes are another story...
It's why you see dudes during the summer that are not dressed like a cowboy, but are walking around like one.