and then they could eventually work out an upgrade system with the extra style materials kinda like a quest to collect X amount of style materials to powerup your armor even further;
crafting in the Breton style increases your max HP by 0.01%
level 1 collect x25 Breton style materials then you get "increases your max HP by 0.02%
level 2 collect x50 Breton style materials then you get "increases your max HP by 0.05%
level 3 collect 100 Breton style materials then you get "increases your max HP by 0.10%
take away the style armor npcs, that way people would deconstruct stuff to get the style materials etc. or increase the price of style materials from the npc to balance this out. this way we have more options with the abundant amount of style materials.