Boots of Quel'Thalas +6 increases the Agility of the Hero by 6 when worn.
In the RPG
Boots of Quel'Thalas are created of soft leather tooled by the high elves' most skilled artisans, then trimmed on silver enchanted by elven wizards to grant the wearer magical agility. They are often passed from one generation to the next in elven families.
Boots of Quel'Thalas in the TCG.