Rounderbum is a West Hollywood-based brand founded by Jonathan Diersing in 2015, known for pioneering men’s shapewear with discreet, confidence-boosting technology. Its appearance on Shark Tank helped propel the brand into the spotlight, securing investment and expanding its reach. Focused on enhancing physique and redefining comfort, Rounderbum blends innovation with sleek design. With millions in annual revenue and a growing global following, it continues to challenge norms in men’s fashion.