Gaia Gear

The Gaia Gear is a recurring Body Armor in the series. It is usually a Light Armor with an Earth elemental affinity, though it also appears as a Robe in some games. It is often an high-rank armor.

Final Fantasy
The Gaia Gear is an armor exclusive to the Black Wizard. It grants protection against Stone and Quake. It is the strongest armor in the 20th Anniversary version, and grants +35 Defense and +2 Weight. It is found in Lifespring Grotto, or can be won from Undergrounder.

Final Fantasy III
Known as the Gaia Vest, it can be equipped by the Freelancer, Geomancer, and Onion Knight jobs. It grants a small bonus to vitality.

Final Fantasy IV
The Gaia Gear, translated as Gaea Gear in the original SNES release, is a light armor that grants resistance against Petrification. There also exists a "Gaea Hat" in the SNES version, but it was re-translated as the Wizard's Hat. It grants +3 to Defense, Magic Defense, and Magic Evasion, and can be bought for 500 Gil in Mysidia.

Final Fantasy V
The Gaia Gear is a robe that boosts Earth-elemental damage dealt by the user. It grants +8 Defense, +10 Magic Defense, and +18 Magic Evasion.

Final Fantasy VI
The Gaia Gear is a light armor that grants the wearer the ability to absorb Earth-elemental damage. It grants +53 Defense and +43 Magic Defense. It can be bought in the World of Ruin only.

Final Fantasy IX
The Gaia Gear is a light armor that teaches the spell Osmose to Vivi, and support abilities Insomniac and High Tide to all other characters who can equip it. It boosts and absorbs the Earth element, and grants +25 Defense and +2 Magic Defense.

Final Fantasy XII
The Gaia Gear is a piece of Mystic armor that grants an HP bonus rather than a MP bonus, as well as a bonus to Magick Power.

Final Fantasy XII: Revenant Wings
The Gaia Gear is a dancer's robe that can be equipped by Penelo.

Final Fantasy Tactics
The Gaia Gear is a high-rank light armor that grants the ability to absorb earth-elemental damage and a small MP bonus.

Final Fantasy Tactics Advance
The Gaia Gear teaches the ability Auto-Regen to the Hunter, Sniper and Gadgeteer jobs.

Final Fantasy Tactics A2: Grimoire of the Rift
Again, the Gaia Gear teaches the ability Regenerate to the Hunter, Sniper and Tinker jobs.

Final Fantasy Crystal Chronicles: Ring of Fates
Earth Robe grants +5 Attack, +108 Defense, and +10 Magic.

Final Fantasy Mystic Quest
The Gaia Gear is the strongest armor equippable by Benjamin. It grants resistance to Water, Wind, Poison and Sleep.