What kind of cloth are you looking for? Titanese is some of the best light armor there is. Rauzin wool is it's cheaper, less protective cousin.

https://elanthipedia.play.net/mediawiki/index.php/Insulated_cloth_armor

Tailors can make this to style.

Entry level cloth would be burlap, it's more protective than silk but has the drawback of being heavy. Silk isn't super protective but it is pretty light and fairly hard to work with, so it's often more expensive than burlap.

Ruazin will give you the protection of burlap but at the weight of silk, so it's the next step up in price from silk. All the other materials fall somewhere between silk and ruazin. Farandine can be okay.

From Ruazin, you can go to titanese or arzumodine. Both protect more than Ruazin but are also fairly expensive. At this time I'm fairly sure titanese is the cheaper of the two because there is a larger supply of it out there.

Beyond that you get into Imperial weave which is in short supply and high demand so, obviously, it's incredibly expensive.

As a side note, I purposefully left out Zenganne because I think it makes horrible armor.

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The Kasto mimic abruptly solidifies, looking very much like Kasto.
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you could always go with moonsilver cloth armor, but that might even be more rare than imperial. i dont think it's the best, but it's close and it always looks cool.