Forevercraft
Pattern: Invulnerable Mail
Epic, Leatherworking, item level 63, item 12728
Changed from Classic: the tooltip differs on the highlighted lines below.
Pattern: Invulnerable Mail
Leatherworking
Requires Leatherworking (295)
"Teaches you how to make Invulnerable Mail."
Sell Price: 2g
Changed from Classic (see below).
Classic's version
Blacksmithing
Requires Blacksmithing (300)
Use: Teaches you how to make Invulnerable Mail.
Sell Price: 2g