If you want to dig deeper, the Australian Competition and Consumer Commission (ACCC) sets the rules for product labeling, including fiber content. They have guidance on what labels should include and what's considered misleading. The Product Safety Australia website lists mandatory labeling requirements for textiles, though it's more about safety than fiber content specifics.

For the nitty-gritty on what fiber content terms mean, the Australian Textile Clothing and Footwear Council (ACFC) has industry guides, but they're aimed at manufacturers, not shoppers. Still, a quick look can help you understand jargon like "modal" or "elastane" (which is basically spandex/Lycra).

One thing to keep in mind: these labels are about what's in the fabric, not how the garment was made or how ethical it is. For that, you'd look for certifications like Fair Trade or GOTS, which are separate from fiber content. So, the fiber label is just one piece of the puzzle.

If you ever feel confused about a label, don't hesitate to ask the brand directly. A good brand will be happy to explain what their materials are and why they chose them. If they can't or won't, that's a sign they might not know their own products as well as they should.

This guide is for general information only and isn't legal advice. For specific questions about Australian labeling laws, check the ACCC website or consult a professional.