The Bra Guide: Every Style, Explained

The Band

The band does most of the work. In a correctly fitting bra, the band carries around eighty percent of the support, sitting level around the body and staying there throughout the day. If your band rides up at the back, the support is coming from the straps instead — and straps were not designed to carry that load. Most women wear their band size too large, which is why the band feels loose and the straps feel like they're doing all the work.

The Cup

A well-shaped cup fully contains the breast without spillage at the top or sides, without gaping at the center front, and without creating visible lines under clothing. Cup shape matters as much as cup volume — a cup that is too closed, too shallow, or cut for a different breast shape will feel uncomfortable even in the technically correct size. This is one reason why bra shopping across different brands often means adjusting the size you try first.

The Straps

Straps should stabilize and refine the fit — not carry the weight. If you are tightening your straps to compensate for a loose band, the bra is not fitting correctly. Good straps sit comfortably without digging into the shoulders or slipping off, and they stay put with minimal adjustment throughout the day.

The Construction

Quality shows in how a bra holds up over time. Underwire that stays correctly placed after washing, lace that stays soft rather than going stiff, cups that keep their shape through regular wear, and elastics that maintain their recovery all indicate a bra that is worth the investment. A well-made bra should still feel like a well-made bra six months in.

When to Choose Underwire

Underwire is the strongest choice for everyday structured support, for fuller busts that benefit from lift and definition, and for occasions when you want your clothing to sit predictably and smoothly. It is particularly useful under fitted shirts, blazers, dresses, and any clothing where the silhouette underneath matters.

The common assumption that underwire is inherently uncomfortable is almost always a fit problem rather than a design problem. A correctly positioned wire sits against the chest wall beneath the breast tissue — not on it. If the wire is digging in, sitting on the breast, or shifting during the day, the cup or band size needs adjusting rather than the style itself.

What Good Underwire Feels Like

When an underwire bra fits correctly, you should not feel the wire at all. The cups should feel supportive from the first moment, the band should feel secure without constricting, and the whole bra should stay in place without requiring adjustment. If you are conscious of the wire pressing anywhere by midday, that is a sign to try a different size or a different cup shape.

Bralettes vs. Bras: What's the Difference

The main difference between a bralette and a bra is structure. A bra — particularly an underwire style — is engineered for consistent lift and support across a range of sizes and cup volumes. A bralette is softer, less structured, and more flexible in fit. This makes bralettes more comfortable for lighter-support days and more forgiving across sizes, but generally less suited to heavier busts or occasions where a precise silhouette matters.

That said, the category has evolved considerably. Better-constructed wireless bras now include features — wider bands, supportive seaming, inner slings, firmer fabrics — that bring them much closer to the support of an underwire style. If you find underwire uncomfortable and have not tried a modern, well-engineered wireless bra, it is worth revisiting the category.

Types of Bralettes

Triangle bralettes are the most minimal in construction — two triangular cups with thin straps. They work best for smaller busts and lower-impact wear, and their simple shape makes them easy to style as outerwear under open shirts or over slip dresses.

Lace bralettes prioritize texture and visual detail. Quality varies significantly — the best ones use lace with genuine stretch and recovery that stays soft after washing, rather than going stiff or scratchy. A well-made lace bralette can work as both a lingerie piece and a visible layering element.

Longline bralettes extend further down the torso, adding coverage and a degree of structure through the wider band. These tend to offer more support than shorter styles and work particularly well under high-waisted bottoms or as a visible layer under blazers and cardigans.

Seamless and soft-cup wireless bras sit closer to a traditional bra in shape — with a defined cup and a fitted band — but without the wire. These are the most supportive wireless options and are often the best choice for women transitioning from underwire who still want consistent shape.

What Is a Balconette Bra

A balconette bra — sometimes called a balcony bra — has a wide, horizontal cup cut that sits straight across the top of the bust. The straps sit further apart than on a standard bra, which creates a more open neckline and a strong horizontal lift. The result is a rounded, shelf-like shape that works particularly well under square necklines, wide scoop necks, and off-the-shoulder tops, where conventional straps would be visible.

Balconettes tend to work well across a wide range of cup sizes because the cup construction provides significant uplift. For women with wider-set breasts, the wider strap placement is often a more comfortable and flattering fit than a standard bra with closer-set straps.

What Is a Demi Bra

A demi bra (short for demi-cup) covers roughly half to three-quarters of the breast, giving a lower-cut profile than a full-coverage style. The cup is cut at an angle rather than straight across, which creates a natural, rounded shape and works well with scooped and V-necklines where a higher cup would be visible. Demi bras tend to have straps positioned slightly closer together than balconettes, and they suit a wide range of body types.

Balconette vs. Demi: Which to Choose

If your priority is a wide, horizontal neckline that stays hidden under specific clothing — particularly square, bardot, or wide-scoop cuts — a balconette is usually the better choice. If you want a versatile everyday style that works with most necklines and creates a natural, lifted profile, a demi tends to be more adaptable. Many women find they want both.

How They Are Constructed

The defining feature of a T-shirt bra is a molded or lightly lined cup — either a single layer of foam that holds its shape independently of the breast, or a cut-and-sewn construction with smooth lining that lies flat under clothing. Either way, the outside surface is entirely smooth, with no seam lines, embroidery, or lace that would telegraph through fabric.

Most T-shirt bras are also underwire styles, which helps maintain the cup shape and provides consistent lift and support. Wireless versions exist and work well for lighter-support needs, but the structured underwire version tends to give the cleaner silhouette under clothing.

When a T-Shirt Bra Is the Right Choice

Reach for a T-shirt or contour bra any time the bra needs to disappear: under knit tops, cotton shirts, fitted dresses, and anything light-coloured or semi-sheer. A good T-shirt bra is also one of the most comfortable styles for all-day wear because the smooth cup requires no adjustment and lies flat through movement. Most women find it useful to own at least two — one in nude or skin tone, one in black — to cover the widest range of clothing.

Strapless Bras

A strapless bra relies entirely on the band for support — there are no straps to help hold it in place. This means fit is more critical than with any other bra style. A band that is even slightly too large will slip down, particularly on heavier busts. The best strapless bras use silicone grip strips along the inside of the band, boning or internal structure through the cup, and a firm enough band to anchor the whole construction. If a strapless bra keeps falling, the band size is almost always the issue rather than the style itself.

Strapless bras work under off-the-shoulder tops, strapless dresses, halter necklines, and any garment where visible straps would affect the look.

Fitter's note: A strapless should fit one band size smaller than your regular bra if it has silicone grip; same band size if not. The dealbreaker is always band tension — we re-fit clients for strapless almost every time they come in, because most clients buy their regular band size and it slides down by lunch.

Plunge Bras

A plunge bra has a deep V-shaped center front — a low, narrow gore — which allows it to sit invisibly beneath plunging and V-necklines where the center of a standard bra would be visible. The cups angle in from the sides, creating lift and definition without showing above the neckline. Plunge bras work with deep V-necks, wrap dresses, wrap tops, and any neckline that comes to a point or angle at the center front.

Fitter's note: The plunge is the only style we'd recommend for a deep V-neck or a wrap dress. If you're DD+ and want plunge, try the Chantelle Every Curve or the Simone Perele Andora — both give you the low centre gore without losing support. Avoid the plunge if your breasts sit close-set; there's not enough room for the gore to tack properly.

Convertible Bras

A convertible bra has detachable straps that can be repositioned — typically worn straight, crossed at the back, halter-style, or removed altogether for a strapless configuration. A good convertible bra is useful when you need versatility across multiple outfits without buying several different bras. The trade-off is that convertible bras rarely fit quite as precisely as a bra designed for one specific configuration, but for occasional wear they are a practical solution.

Adhesive Bras & Nippies

Adhesive bras and nippie covers are for occasions when a conventional bra of any kind is not possible — very backless designs, deeply plunging necklines, or sheer fabrics where any bra construction would show. Adhesive bras offer light support and coverage; nippies provide coverage only. Both are single-use or limited-wash items and are best thought of as a specific solution for specific outfits rather than a regular wardrobe staple.