Adventurer's Legguards

Source
It has an increased chance to drop from Nefarian in Blackwing Lair.

Removed sources
Other raid bosses that previously had a chance to drop this item included Gahz'ranka, Lord Kazzak, Onyxia, and Highlord Kruul.

Appearance
This item shares its appearance with Thick Draenic Pants.

There are also several items with similar appearances:
 * Red: Volcanic Leggings, Inferno Hardened Leggings
 * Green: Living Leggings, Ash Tempered Legguards
 * Slate gray: Replica Shadowcraft Pants
 * White: Salamander Scale Pants, Elekk Hide Leggings, Nomad's Leggings
 * Black & blue: Replica Darkmantle Pants
 * Red & black: Flayer-Hide Leggings
 * Purple & black: Skulldugger's Leggings, Redeemed Soul Legguards