"We needed fearless spokespeople to show just how laid back you feel when you’re wearing Bonds undies," Tanya Deans, ...

Robert Irwin stepped out of his comfort zone in order to promote animal conservation. The 21-year-old zookeeper posed shirtless for a Bonds underwear ad.

Son of Crocodile Hunter Steve Irwin, Robert Irwin, is ditching his khakis and showing off his skivvies for Bonds underwear.

There is only one thing you need to distract an Irwin: a really cute animal! The Crocodile Hunter's family may live in an ...

Robert Irwin, son of late 'Crocodile Hunter' Steve Irwin, is stripping down to his underwear for a new clothing campaign. At ...

Robert Irwin bears it all in a new campaign for an Australian underwear brand. But the handsome son of the late crocodile hunter is exposing even more than his chiseled torso and perky pecs. His ...

Crikey! Australian zookeeper and television personality Robert Irwin isn't just wrangling wildlife–he's also an avid runner ...

The son of the late Steve Irwin, Crocodile Hunter, opens up about his relationship status, posing in a cheeky new underwear campaign for Bonds and more in an exclusive sit-down with PEOPLE.

As the son of the late Crocodile Hunter Steve Irwin, Robert has carried on his father's legacy for years alongside his mother ...

The 21-year-old conservationist is the son of tragic Steve Irwin - who found global fame through his 'Crocodile Hunter' series but died in 2006 at the age of 44 when he was pierced in the chest by a ...

As the son of the late Crocodile Hunter Steve Irwin, Robert has carried on his father's legacy for years alongside his mother, Terri Irwin, and his sister, Bindi, at Australia Zoo. And I seriously ...