Bio-Optic Killshades are a variety of head-worn items created by Engineers with a minimum skill of 75 in Cataclysm Engineering. Each class is offered training to create only a select variety of these, usually limited to a single type.
Details[]
| Item | Armor type | Class(es) |
|---|---|---|
 [Lightweight Bio-Optic Killshades] |
cloth | Mage, Priest, Warlock |
| [Agile Bio-Optic Killshades] |
leather | Rogue, Feral Druid, Demon hunter, Brewmaster or Windwalker Monk |
 [Camouflage Bio-Optic Killshades] |
leather | Restoration or Balance Druid, Mistweaver Monk |
| [Deadly Bio-Optic Killshades] |
Hunter, Enhancement Shaman | |
| [Energized Bio-Optic Killshades] |
Restoration or Elemental Shaman | |
| [Reinforced Bio-Optic Killshades] |
plate | Death knight, Warrior, Protection or Retribution Paladin |
| [Specialized Bio-Optic Killshades] |
plate | Holy Paladin |
All versions of Bio-Optic Killshades have two Cogwheel Sockets, allowing two Cogwheel gems (and only cogwheel gems) to be installed. Note that all Cogwheel gems are unique-equipped, meaning that only one of that type of gem may operate at a time.
Notes[]
While they all require a minimum character level of 81 to wear, they require a 
[Chaos Orb] to create, which requires a minimum level of 85 to loot, although these can be traded or bought on the AH.
See also[]
- Master engineer goggles - goggles requiring 350 skill to make and level 62 to wear.
- Mechanized Snow Goggles - goggles requiring 400 skill to wear, 420 to craft (effectively minimum character level 65)
- Grand master engineer goggles - goggles requiring 440 skill to make and level 72 to wear.
- Retinal Armor - goggles requiring 75 Pandaria Engineering skill to make and level 87 to wear.