Conner's suggestion for improving the use of the various tailoring fabrics that are available:
Cotton and Linen are, for all intents and purposes, useless for adventurers unless you simply like wearing the clothing equivalent of dousing yourself in gasoline.
Now that there is a new skill available, maybe add some new properties to make these fabrics more useful in game (and ultimately enchantable!):
Linen Based Garment (4 parts): +2 Exhaustion Endurance Threshold (DC 15)
Linen Lining (2 parts): +1 Exhaustion Endurance Threshold (+10 DC to base garment or armor)
Cotton Based Garment (4 parts): +2 Disguise (DC 20)
Cotton Lining (2 parts): +1 Disguise (+10 DC to base garment/armor)
If you wanted to leave the flammable component or change the component costs on these for balance, so be it (please at least dial back the flammability), but as it stands there is zero reason for PCs to use these fabrics in the game.
--Matticus Caesar