In The Burning Crusade it is item level 115 and requires level 70. In Wrath of the Lich King it is item level 251 and requires level 80. In MoP Classic it is item level 115 and requires level 70.
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Glider's Foot-Wraps Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Glider's Foot-Wraps suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Transmog Sets
Glider's Foot-Wraps is part of the transmog set Aldor Regalia (Mage only). The other 10 pieces:
Blizzard numbers items as they are created, so the named items next to ID 30680 (30675 to 30685) were usually added in the same batch as Glider's Foot-Wraps: the same quest line, zone, vendor or reward set.