Lv60: Bloodhempen sets (dyeable version of late-HW dungeon gear)
'Tribal' look with chestwrap, feathered skirt, shorts and sandals.
(Melee classes get a rather bulky bolero-and-skirt over pants)
Lv61: Ghost Barque
Casters get a recolour of the Wind Silk Coatee set (which dyes rather nicely: permanent black shirt with dye-colour edging).
Healers get the Bloodhempen melee set.
(Ninjas get the "Star Velvet Himation" mage set. Strikers get tanks' Chivalric Coat and skirt)
Lv62: Ruby Cotton (recolour of HW Lv60 'Valerian' sets)
Casters get long wizard robes.
Healers get what is far too much a "woman's dress" even on male characters, and short shorts. An odd design combination.
(Tanks have a full skirt. Dragoons have long front-and-back drapes.)
Lv63: Shisui sets
Swimwear for everyone. The mage sets do include long sleeves (though from memory, so does the tank set), but the actual swimwear isn't any less revealing. Female casters don't even get a skirt. I don't know how these translate to the male versions.
Lv64: Kudzu robes
Long robe and skirt underneath. Dyeable version of Orthodox/Dravanian designs that fitted with Heavensward's high fantasy setting.
(Tanks/dragoons get midlength skirts.)
Lv65: Nomad's robes
Long robes for all classes, not just mages.
Loose pants underneath that are different to what we normally get.
Lv66: Serge sets
A short tunic/shirt, pants and knee-length boots. Melee gear has full-length skirts.
Lv67: Yanxian Dogi
Armoured kimono and hakama. Other classes had shorter armour and pants.
Lv68: Gazelleskin sets
Ragged open coat for casters (shared with ranged DPS)
Closed midlength leather coat/robe for healers (shared with tanks)
Lv69: Valerian Priest
A dress for female characters, or robe for male characters.
Lv70: Arhat Dogi
Long leather coat/robe and skirt for mages. (Also a sleeveless version for samurai, who probably wanted the sleeved version but there's that awkward crossover with monks sharing the gear.) Hakama underneath, just looks like a skirt from the icon, probably hidden on mages but visible on ninja/ranged that get them combined with shorter tops.
Ala Mhigan
Long coats and strappy pants for most classes.
Caster shares its design with ranged DPS
Healer shares with ninja
Skallic gear
Casters: long coat and sarouel
Healers: short tunic-with-tabard and pants (of the "magically turns to shorts on females" variety)
Indigo Ramie/True Griffin (dyeable World of Darkness gear)
Robes with flared sleeves and open front. Skirts and long sandals underneath.
Farlander gear (redistributed Castrum Abania Valerian sets)
Short tunic with cape, and pants. Previous Valerian mage robes go to ranged & ninja.
Rabanastre
Midlength robe/tunic with pants and boots
Lost Allagan
Open coat and pants. Most classes got something similar.
Genta/Genji gear
Armoured samurai robes for all classes.
Bonewicca gear
As much discussed. Casters have tabard and fancy cape. Healers get a half-skirt and strappy shirt. Meanwhile tanks and ranged get full heavy skirts attached to their chestpiece.
Royal Volunteer's gear (redistributed Filibuster gear)
Mages get previous melee gear. Casters get a longer 'skirt' (jacket tied around waist) while healers get just the short military jacket and 'tool apron' for lack of a better term.
True Linen sets (dyeable Void Ark gear)
Long robes, pants, long boots. Tanks get a dress chestpiece and a full-length skirt underneath.
Ridorana Lighthouse
Odd 'apron' sets for mages. Are these based on character gear in the Ivalice games?
Ryumaku gear
Long Japanese armoured robes for all classes. Mages (and melee) get pants while tanks and ranged get skirts.
Diamond gear
Only mages get long coats
Rakshasa gear
Long Japanese robes or coats for all classes. Mages get pants while melee classes get hakama.
Scaevan gear
Only mages get long coats
Omega gear
All classes get 'tailcoat' armour designs.