Australian Product Line & Colloquialism
A line of mens singlets put out by the "Bonds" company. They have thicker shoulder straps than most singlet brands and hang flush so as to emphasize the chest.
The Bonds singlets are known as the "chesty" line, and have a mascott - "Chesty Bond"
synonymous with wifebeater
Calling a wifebeater a chesty bond hasn't had a significant impact in lowering the instances of spousal abuse.