Not yet observed in the beta: the Forever client retains this item's record without its stats. Those are sent by the server in-game.Until someone records it, the Classic tooltip is shown below. Forever has reviewed every dungeon's loot, so changes are expected.
In Classic Era, dropped by Uldaman trash.
Classic 1.15.9.69722
Legguards of the Vault
Binds when equipped
LegsMail
218 Armor
+5 Agility
+13 Strength
+13 Stamina
+5 Spirit
Requires Level 34
Sell Price: 73s 19c
Forever Beta 1.60.1.70009
This item does not exist in the Forever client.