What Makes an Apparel Brand Sustainable?

What criteria must a company meet to be considered "sustainable?" Here are the 5 requirements a brand must meet to qualify as sustainable:

They must:

1) Cut back on water usage.

2) Avoid using hazardous chemicals.

3) Create durable styles (for a longer lifespan of each item).

4) Produce minimal waste.

5) Obtain fabric and other materials from sustainable agriculture sources.