In Wrath of the Lich King it is item level 232, requires level 80 and sells to vendors for 16g 32s 51c. In MoP Classic it is item level 245, requires level 80 and sells to vendors for 16g 32s 51c.
In the Appearances collection, Sunwalker Legguards is listed as Boss Drop. Appearance ID: 11819. 17 other items wear the same appearance; 12 of them are listed here.
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Sunwalker Legguards Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Sunwalker Legguards suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Transmog Sets
Sunwalker Legguards is part of the transmog set Liadrin's Plate (Paladin only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Sunwalker Legguards Fits
Other Items Named Sunwalker Legguards
2 other items in the current build are also called Sunwalker Legguards. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Blizzard numbers items as they are created, so the named items next to ID 48053 (48048 to 48058) were usually added in the same batch as Sunwalker Legguards: the same quest line, zone, vendor or reward set.