In The Burning Crusade it is item level 128, requires level 70 and sells to vendors for 3g 77s 34c. In Wrath of the Lich King it is item level 226, requires level 80 and sells to vendors for 3g 77s 34c. In MoP Classic it is item level 128, requires level 70 and sells to vendors for 6g 59s 9c.
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Soul-Strider Boots Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Soul-Strider Boots suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Transmog Sets
Soul-Strider Boots is part of the transmog set Avatar Regalia (Priest only). The other 16 pieces:
Blizzard numbers items as they are created, so the named items next to ID 30100 (30095 to 30105) were usually added in the same batch as Soul-Strider Boots: the same quest line, zone, vendor or reward set.