Jason will strip for $5000

The Big Adventure host Jason Dundas, in Perth for Telethon and offering to strip. Picture: Michael Wilson/The West Australian

Recently named one of Who magazine's sexiest people for 2014, hunky model and TV presenter Jason Dundas is ready to bare his chiselled abs for charity.

In Perth for Telethon, the 32-year-old revealed he is willing to strip off for a donation of $5000 or more.

"I know I'm going to be taking my shirt off to raise money," he told AAA Weekend when asked how he will contribute to the fundraising effort.

"Telethon sounds like an incredible way to raise money for a fantastic cause."

The Penrith-born star, right, has just returned to TV screens as the host of Seven's new reality show The Big Adventure, which screens after Telethon wraps up tomorrow night.

"For me it was a dream come true," Dundas said of the role.

"After 10 years working on TV I've crescendoed into this one big epic new show which gives 12 regular Aussies the chance to live out a dream."

On top of his TV duties, the LA-based entertainer also runs DundasFit - an online community dedicated to promoting healthy lifestyles, formed after he began working as a men's fashion ambassador.

"I got into really good shape for David Jones and I noticed people started emailing me and reaching out to me on social media, saying 'How do you get in such good shape'," he said.

"So I started a hashtag called DundasFit, which was a way to form an online community and share fitness secrets. It's something I've loved to evolve and use to inspire people around Australia to be fit and healthy."