Commando Pro is one better than commando. If you go commando you go without underwear, to go commando pro you let everyone know by having your flies undone. For maximum effect go for discrete public exposure.
(Whilst walking in Nicholson's Centre):
Wife: Why's that girl giving you a horrid look like she's sucking a lemon?
You: Don't worry, I must have forgotten to do my zip up and you know I'm commando.
Wife: You mean commando pro