Attention, all carbon based life forms! You’re going to love the new Zealous Radioactive Briefs as much as you love oxygen. An ultra modern update on the boring old black briefs, these hip hip-hugging briefs feature a geometric slate black and charcoal grey pattern with a loud and proud white Zealous logo on the back. Like everything else with the Zealous stamp of approval on it, the Zealous Radioactive Carbon Briefs are made to the highest standards of quality. Designed by serious athletes by serious athletes, all of the swimwear from this Aussie company is built to last through even the toughest training sessions.