The topic was brought up onReddit, naturally.
Not on your couch, or while exercising.
They can be used for a sporty, casual, elegant outfit, anything you want."

Another user made a good point that it depends on the key in of date.
“Formal dinner at a swanky restaurant?
Not really polite,” the commenter noted, adding, “Dancing?

For most cases, yes.
Casually hanging out at places such as a movie or normal restaurant?
If that’s what you normally wear, wear it!”
Just be yourself."