A cut in a woman's top that shows parts of the top of her breasts. It doesn't matter the shape or the size (of the window or the breasts), as long as the window is completely enclosed. It also doesn't matter about the rest of the outfit, as this can be on a bathing suit, a sweater, a Leotard of Power, a Mini-Dress of Power or a grand Pimped-Out Dress.
Anime and Manga
- The titular heroine's outfit in Cutey Honey.
- Melissa's cleric dress in Rune Soldier Louie.
- The Dirty Pair had these in some of their appearances, when the character design included collars that buttoned up.
- Tiara of Shamanic Princess.
- Some of the Innovators of Mobile Suit Gundam 00 have these as part of their choice of dress. With them, it's kind of hard to tell whether any of them are female examples of this or not.
- Arf's outfit in the first season of Magical Girl Lyrical Nanoha. There's also Linith, Fate's Parental Substitute before the series started, who wore an outfit that comprised an outer-coat with a Cleavage Window and a dress with another Cleavage Window.
- Ran in One Piece.
- Yin of the Darker than Black franchise costume contains a mild version of this. She's far from well-endowed but, the combination of her dress and throw create a patch of visible skin. [dead link]
- Mizuho in Please Teacher could, in her alien outfit, open up one of these by will, and did so in her attempt to seduce Kei.
- A great number of Yuuko's costumes in xxxHolic.
- Ah! My Goddess Belldandy. Yes, Belldandy. It's the only skin showing in that outfit besides her face and her fingers.
- Most Arume military uniforms are like this in Blue Drop.
- In the first season of Galaxy Angel, Forte and Ranpha had this. They were covered up in the second season onward for some reason.
- All the adult female characters of Amuri in Star Ocean have this in their uniforms.
- Stella's first dress in Interstella 5555.
- In Red Photon Zillion the Tsundere has one of these - a blouse with a neckline that plunges at least three inches, with a tiny strap for a collar. The result is a teardrop-shaped window that shows a small amount of cleavage.
- In one instance of Death Note, model/actress Misa Amane attempts to get Matsuda out of a jam with a roomful of shady businessmen by pretending to want to be a model/spokesperson for them. She is seen with a tank top with a heart-shaped cut that revealed her cleavage
- Medaka's student council outfit in Medaka Box has this, as does one of her bikinis.
- Amusingly, it becomes a major plot point because it violates the dress code.
- Isabella from Beelzebub has one in her maid uniform.
- As of 2016, cat-head-shaped Cleavage Windows now appear to be de rigeur for Cat Girls.
- Two male examples exist in JoJo's Bizarre Adventure: Golden Wind: Giorno Giovanna and Bruno Bucciarati.
- Power Girl, who Depending on the Writer either is upset when people look at it, or invokes this for a distraction.
- Ditto her Expy Galatea from Justice League Unlimited.
- DC once introduced a Joke Character named Power Boy who had the same cutout on his costume's chest for no discernible reason other than Self-Deprecation humor. Story-wise, he was a minion of Darkseid who defected after falling in love with Supergirl, but after he proved to be an abusive boyfriend, nobody found him funny anymore, and the writers killed him off.
- Invisible Woman of Fantastic Four had one, shaped like the figure 4, in her 1990s outfit.
- Talia from the Batman comics sometimes wears gowns like this.
- In Marvel Comics, Dagger from the team Cloak and Dagger. Her costume has a cleavage window in the shape of a dagger. The "guards" on the dagger serve to expose side boob cleavage as well as belly.
- Icon: Rocket's first costume, to Icon's vague disapproval. Her second costume, which Icon designed, eschewed this.
- Taken to its extreme in Transmetropolitan, where one of the outfits a female character wears to a party is fairly normal... except for a small triangle of fabric exposing her nipple. For Bonus Points, she wears the triangle of fabric as a necklace.
- In The Wheel of Time Ebou Dari dresses are described as having an oval cut out exposing the inner slopes of the wearer's bosom. On married local women, this is to frame the marriage knife, who's hilt nestles between the breasts.
- For the Forgotten Realms novel Azure Bonds, the protagonist Alias is depicted in Clyde Caldwell's cover art wearing chain mail armour with a large gap between her breasts. This has been Handwaved as either ceremonial armour, or to allow those controlling her through the eponymous azure bonds to kill her easily if she showed signs of rebellion. The image has been used throughout Dungeons & Dragons media and the spin-off computer game, Curse of the Azure Bonds.
- Another claim was that the armor was enchanted and either extended mystic protection to the open area, or that there was armor there that was made invisible.
- The entire thing was lampshaded when Alias guest-starred in the Forgotten Realms comic book in 1989, and the halfling Foxilon Cardluck had the following exchange with her:
Foxy: Uhh... Doesn't that armor get drafty sometimes?
- Star Trek
- From Star Trek: The Next Generation onward, the female Klingons are wearing outfits similar to their male counterparts, except with a cleavage-baring opening on the chest armor. Probably has something to do with the whole Space Viking motif. This is particularly silly, considering that Klingons attack each other with bladed weapons all the time. Even considering that Klingons have not one but two hearts.
- Also Lwaxana Troi, more than once.
- Captain Liberty of the live action The Tick (animation).
- In season 2 of Babylon 5, Delenn experiments by exchanging her usual robes for a slinky black dress with a diamond-shaped opening over her cleavage. Everyone who sees her is stunned speechless.
- Alexia from Pixelface.
- Sherufanir in Agarest: Generations of War has a Panty Window.
- With some exceptions, almost every "Harness"-type body armor in Final Fantasy XI will have one of these for both females and males. The defensive value of a Cleavage Window is hotly contested.
- Fina's dress in Skies of Arcadia, although it's a Downplayed Trope example. It also has the distinction of a purpose outside of fanservice. The exposed skin is where Fina's shard of the Silver Moon Crystal appears.
- Cassandra's default costume in Soul Calibur 4. And some of the outfits worn by Ivy, Seung-Mina, or Sophitia.
- Most of Sharla's outfits in Xenoblade Chronicles give a nice view of her Cleavage Canyon.
- Hsien-Ko from Darkstalkers. Bonus points for being blue.
- Mai Shiranui from Fatal Fury.
- Norma in Tales of Legendia wears a shirt cut like this. She's also the least-endowed of the Legendia girls.
- Leslie's top in Arc Rise Fantasia.
- For some odd reason, Rouge wears a bodysuit with one of these in Sonic Heroes. (The outfit never appears in any other games, though.)
- One of the default NPC outfits in Mass Effect.
- Orlha in Chrono Cross had one of these going on.
- Rose's first alternate outfit in Street Fighter 4 has one of these, coupled with Bare Your Midriff and see-through pants.
- In the first Master of Orion game, the Mrrshan ambassador has an outfit that does little to hide her... vast tracts of land, including one of these.
- A mesh-front is popular amongst Orlesian noblewomen in Dragon Age.
- In Conduit 2, Andromeda's full-body armor covers everything except her face and the tops of her breasts.
- Valvatorez in Disgaea 4: A Promise Unforgotten. Being male does not protect you from fanservice and stripperificness in the Netherworld.
- In Okami, the first form/clothing set of Wood Sprite Sakuya, who is a peach tree spirit, has two Cleavage Windows. The second ones bares her buttocks, to go even further then the first one in using her figure to remind a viewer of her connection to peaches.
- Saber's dress in Fate/stay night, though strictly speaking there's not really any cleavage to emphasize.
- Inphyy's armor in Ninety-Nine Nights has one of these.
- Guild Wars uses this trope design in many of the female armours.
- In Tales of Symphonia, Martel's dress includes one of these. It's much more visible in Kratos' storyline section of Tales of Fandom 2, and The Anime of the Game.
- The bikini top in Xenoblade closes at the neck, making it this.
- Hellen Gravely in Luigi's Mansion 3. No, seriously, it's subtle, but she has one. Along with her name (Hellen Gravely) She's one of the biggest cases of Getting Crap Past the Radar in a Mario game.
- The Jane Gang from Everyday Heroes.
- Crossroads from Antihero for Hire had one of these in her early appearances. Luckily, she realized how ridiculous that costume looked, so she changed it.
- Lampshaded when discussing the design of Spinnerette's new suit, here.
- Super MILF apparently justifies this in that her "venusian bust" generates so much heat that she requires air venting. At least, that's what she says.
- Ms. Apple from What's Shakin' has an aptly cut shape.
- Ferretina's, the Weasel Queen's outfit from this non-canon Girl Genius comic.
- Discussed but Averted in Dumbing of Age with self-appointed superheroine Amazi-Girl. To Daisy's displeasure.
- Misfile's Emily shows this off about every third outfit.
- In Ears for Elves, one of the High Elves of Kenn'iraheal has a small one that blends in well with her costume style.
- Linkara of Atop the Fourth Wall isn't too fond of these, at least when it's clear that it's just about objectifying women. Then he calls these "Boob windows."
- Crimson, who is at the Super-Hero School Whateley Academy in the Whateley Universe. She has a diamond shaped window larg enough that Phase thinks she's risking a wardrobe malfunction.
- Galatea from the DC Animated Universe has one; granted she's supposed to be an Expy of Power Girl.
- The Futurama DVD commentaries mention that the animators liked putting Leela and Amy in dresses with these whenever the plot required them to dress up. Lampshaded in one episode that had random time skips during a basketball game. Amy, wearing such an outfit, immediately brings attention to it as a possible explanation.
- In Star Wars: The Clone Wars, Ahsoka's new outfit in the third season has this. It used to be an outright Age-Inappropriate Dress, though.
- Izzy from Total Drama has one in her signature outfit. In the second aftermath of Action, she uses hers to hold grapes, cheese and crackers, as well as the crumbs she spit out after realizing she was on the green room's TV.
- Stan Lee's Stripperella. What more would you expect from a character based on Pamela Anderson?
- She-Ra and the Princesses of Power; Entrapta actually manages this with a space suit.
- There are probably plenty of these at model shoots and show business events, but such an outfit can be very -- notable anywhere else. In May 2012, a model named Julia Orayén was hired to present some materials to the candidates at the start of a Mexican presidential debate. On camera for less than 30 seconds, her tight cleavage-window dress was an instant Twitter sensation, and news reports worldwide declared how she had upstaged—or even "won"—the debate