This is a guide i found in the WoW forums, most numbers are based on thottbot or wowguru
2040 Netherweave cloth (~40 silver each, AH)
54 Rune Thread (50 silver each from vendor)
480 Arcane Dust (~2 gold each, AH)
20 Greater Planar Essence (~8 gold each, AH)
40 Netherweb Spider Silk (~10 gold each, AH)
If you buy all of this at once at the prices above, it will take 2363 gold,
and you will need 135 spaces in your inventory to hold it. I would personally
recommend sending all the cloth to one of your alts through the mail system,
and all the arcane dust to another alt. Then, you can hit the 'return' button
as needed from your alts to feed the materials back to your main as needed.
The ingredients for the Imbued Netherweave Bags alone total 1216 gold,
but if you sell these 20 bags for 96 gold a piece on the AH, that
is 1920 gold you'll get back. This is a nice profit, so I've listed
them as part of the procedure. The rest of the crafted items should
simply be disenchanted.
Netherweave Bolt, Netherweave Bag, and Netherweave Belt are all
patterns taught by Hama and Dalinna.
Imbued Netherweave Bolt and Imbued Netherweave Bag are patterns
bought from the tailoring supplies vendor in Shattrath.
Transmute patterns are also bought in Shattrath.
The patterns for arcanoweave clothing is apparantly a drop, but no one
knows what drops this pattern yet. If you see it on the AH, buy it up now!!
Procedure
Once again, I need to warn readers that I have not yet done this. The items
here may not work for the needed skillups, or you may need far more or far
fewer items than I have listed, since I have not tried this myself. The
recipes listed are based on pure speculation. I have put a few alternate
recipes in the list for reference only. They shouldn't be needed, but some
readers may find the information useful.
300-325: SKILLUP 300 / 305 / 310 / 325
Bolt of Netherweave, qty: 340
(2040 Netherweave Cloth)
325-325: SKILLUP 310 / 320 / 325? / 330
Netherweave Belt, qty: n (only listed here for reference!)
(n*3 bolt of netherweave, and n rune thread)
325-325: SKILLUP 315 / 320 / 325? / 340
Neatherweave Bag, qty: n (only listed here for reference!)
(n*4 bolt of netherweave, and n rune thread)
325-340: SKILLUP 325 / 330 / 335 / 340
Imbued Bolt of Netherweave, qty: 80
(240 Netherweave Bolts) [ 1440 Netherweave Cloth ]
(40 arcane dust)
340-350: SKILLUP 340 / 340 / 3?? / 350
Imbued Netherweave Bag, qty: 20
(80 Imbued Netherweave Bolts) [ 1440 Netherweave Cloth ] [40 arcane dust]
(40 Netherweb Spider Silk)
(20 Greater Planar Essences)
350-360: SKILLUP 350 / 360 / 3?? / 370
Arcanoweave Bracers, qty: 10
(60 Netherweave Bolts) [ 360 Netherweave Cloth ]
(120 Arcane Dust)
(20 Rune Thread)
360-375: SKILLUP 360 / 370 / 3?? / 380
Arcanoweave Boots, qty: 20
(160 Netherweave Bolts) [ 960 Netherweave Cloth ]
(320 Arcane Dust)
(40 Rune Thread)