So as of 8/12/25 at 11:30PM CST, the wesite is suggeting to use Pure Dextrous Fiber with 1836 BUT the Epic Fibers are 1701 stats. I make them on my tailor. there is only 1 rank of them.
The amount of stat scales with the item level of the cloak – we made a change yesterday that allowed Best in Bags to pick from any available fiber (not just the ones already in your inventory), and it looks like those did not get scaled to the item level of your cloak.
I just posted a quick fix that will make the Best in Bags optimizer always scale the stats to the item level of your cloak. I’ll have another update later today that makes the list of available fiber gems also scale to display the amount it will have on your particular cloak.