Pattern: Nethercobra Leg Armor

Pattern: Nethercobra Leg Armor teaches Leatherworkers to craft Nethercobra Leg Armor. To learn the pattern, you must have a leatherworking skill of at least 365.

Source
Pattern: Nethercobra Leg Armor is sold by in  in Hellfire Peninsula. The pattern costs. You must be with  to purchase this pattern.