I am trying to find some men's lace-up leather walking boots in Brisbane, for less than $150.
I say "walking" boots because I don't want steel-capped boots, which all "work" boots are.
To pre-answer the question that I usually get asked, I don't buy shoes because my feet are unusually wide (EEE width). In my experience, boots are always wider than shoes.
Uppers MUST be fully leather. Where I work, we occasionally work with molten metal, and I have found that even tiny splashes go straight through synthetic uppers. Synthetic soles are okay, soles seem to be thick enough that they survive splashes.
As I haven't found any local suppliers, I am also considering trying Chinese online stores, but I can't find any. I can find shoes, but not boots. I have looked at BuyInCoins, DX, EachBuyer, Meritline and Tmart.
Perhaps there are Australian online suppliers too, that I haven't found?
Consider Chippewa Apache boots from Amazon. There's a 20% off coupon (WORKSHOE), and they still have free shipping over $150 for shoes (just add some Woodlore shoe trees if you need to push it to the $150 mark).