Ninja Department Boxer Shorts What do ninja's wear under their ninja suits? Ninja boxers of course. I am Ninja. Property of the Assassin Department. Product Information Not too tight, not too loose. Fabric Thickness: Enjoy the roomy comfort of our sexy boxers as underwear or sleepwear. They're 100% cotton, open fly"¦for thinking outside the boxers. Boxers, because you don't want to be brief.  |