Support a Bum Undies – Building a Better World One Bum at a Time

Our Feel-Good Undies

Get your bum into some of these bad boys

Men’s boxer-briefs
Men’s boxer-briefs
They're just really great undies. No more need for free-balling - get Free Shipping when you purchase 3 or more pairs of undies
From $14.95 Select options
Men’s Briefs
Men’s Briefs
They're just really great undies. No more need for free-balling - get Free Shipping when you purchase 3 or more pairs of undies
From $14.95 Select options
Women’s boylegs
Women’s boylegs
They're just really great undies. Butt wait, there's more! Get Free Shipping when you purchase 3 or more pairs of undies
From: $14.95 Select options
Women’s Briefs
Women’s Briefs
They're just really great undies. Butt wait, there's more! Get Free Shipping when you purchase 3 or more pairs of undies
From: $14.95 Select options

Good For Humankind

Over 100,000 people in Australia don't have a roof over their heads. This gets us pretty bummed. That's why we donate 50% of our profits to help those in need.

Good For The Planet

Support A Bum supports the environment! All our undies are ethically made, using eco-friendly, organically grown cotton. Because the planet matters.

Good For Your Bum

Not only will your bum feel good, it will look great too! We've put our heart and soul into designing the perfect undies - comfy, durable, and sexy to boot. You won't want to get out of them!