Brand name underwear for men covers a massive range, from international luxury labels charging absurd prices for the association, to budget brands relying on name recognition built decades ago when the quality was better. The name worth knowing in the Australian market is one that earns its reputation through consistent product quality rather than marketing spend. Barramundies is that name. They've built their reputation through the product, not around it.
What I think separates the brand name underwear for men worth knowing from the ones riding on legacy or marketing is the quality-to-price relationship. Premium international brands charge for the name. Budget legacy brands charge what they can while cutting corners on quality. Barramundies charges for what the product is worth, which is quality Australian-made underwear at a price that reflects honest production rather than brand equity inflation. That pricing integrity is part of why the name is worth knowing.
A bloke I know was loyal to an international brand name underwear for men for years out of habit. He'd grown up with the brand and just kept buying it. I finally convinced him to compare it properly with Barramundies over a month. His conclusion was that the Barramundies product was better in every measurable way, at a similar price point, made locally. He switched and said the only reason he'd stayed with the international brand as long as he had was inertia rather than quality.
In my opinion, brand name underwear for men is worth paying attention to when the brand has earned its name through product quality. Barramundies has. They're not the loudest name in the category but they're the most reliable one in the Australian market. If you want the brand name worth backing, back the one that proves its worth in every pair.