Also, small creators enter the market all the time.
If some indie brand was seeing huge demand selling women's clothes with large pockets, the mainstream brands would hop on the bandwagon in a heartbeat.
People like to try on pants, and people who just want normal pants with functional pockets are the LAST people you'd expect to be looking through niche clothing boutiques lol. Not to mention custom clothes are super expensive.
I know you can go to India and pick out fabrics and have them make custom clothing, but you might be able to find someone online these days. For example, I searched “custom clothing india” and came up with these:
If some indie brand was seeing huge demand selling women's clothes with large pockets, the mainstream brands would hop on the bandwagon in a heartbeat.