The Billy Flex motto is ‘getting older is mandatory but growing up is optional’. Bright and sometimes bold, Billy Flex men’s underwear is all about self-expression and he won’t be weighed down with expectations - or waistbands for that matter.
The Billy Flex collection raises the bar for superior comfort, fit and shape in men’s underwear thanks to our improved cotton blend, contoured pouch and elastic supported binding for the legs and waist.
Available in limited edition playful custom prints. Billy Flex is comfy cotton retro Aussie undies that will never leave you short.
Proudly Australian made
90% Cotton 10% Elastane.
Our model is wearing a size medium brief He is 6’1” (185cm) tall with and a 33” (84cm) waist.
• Side Seam Length M 7cm
• Stretch Cotton Elastane Body – making them breathable and hold their shape
• The famous aussieBum Contour Pouch
• Elastic waist and leg binding for both comfort and support
• Flatlock seam details that add strength to the fit
• Low rise (to raise the temperature).
Show your aussieBums love and they will love you right back for a long time to come.
Gentle machine wash.
Do not tumble dry (better for your aussieBums and better for the environment).
No need to get all fancy and take them to the drycleaners either (in fact, it’s better if you don’t).
And, while we’re impressed that you like ironed clothes, do not iron your aussieBums.
Avoid rough surfaces.