If you’re looking for a comfortable bra that you can wear every day, look for a T-shirt bra. These smooth operators feature seamless or moulded cups to provide ample support and comfort while remaining discreet under form-fitting tops. They should be both functional and fabulous, giving breasts a natural, rounded shape.

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Here are four things to look out for when you go bra shopping:
1. The Underband: As the portion that gives the most support, the band should be taut but not tight, and sit level on your back. Lift your arms over your head and if it rides up, it means that the band size is too big (or the cup size too small), so go one size higher (or one cup bigger). Always try it on the outermost hook.
2. The Straps: You should be able to slip a finger snugly between the strap and your skin. If the straps are cutting into your shoulder, it means the cups or band size are too loose, so go down a size. If they slip down your shoulders constantly, your band size may be too small, so try a larger one.
3. The Cups: When trying on the bra, lean over and let your breasts fall naturally into the cups, smoothing out the sides to ensure that the whole breast fits neatly. If there’s spillage or bulging at the armholes or neckline, the cup is probably too small; if there’s wrinkling or puckering, it’s too large.
4. The Bridge (or Gore): The centre of your bra should be able to lie flat against your sternum or breastbone. If there’s a sizeable gap, it means your cup is too small and the band too big to support properly, so adjust accordingly.
Now, read on for our reviews of six of the best T-shirt bras that we put to the test:
* GREAT FOR SMALLER BUSTS *
What sizes are there?
Extra small (from 30A) to extra large (34D)
Is it comfortable and fitting?
Our testers loved how the ultra-soft fabric felt on their skin, as well as its elasticised, ruched underband which doesn’t come with any underwire. It fits quite snugly, and didn’t dig into our testers’ ribs or leave marks when removed at the end of the day.
Are breasts well supported?
Its triangle cups, thinner band and straps are better suited for those with smaller busts, as those with larger assets may not feel as well supported and may encounter side-boob spillage. But it gives smaller chests a good amount of support, and the thin straps don’t feel tight throughout the day. Also, its thin, removable paddings can help conceal pointy nipples.
Is it invisible under a T-shirt?
Its cups are smooth and seamless, and the underband stretches out well when worn, with no bumps even from the side. However, one tester noted that the apex (where the cup meets the front strap) and the outline of the side could be seen.
How versatile is it?
It can only be worn the classic way.
Design:
Its low-cut design makes it look like a bikini, and it’s ideal for tops with lower necklines or large arm holes. Extra-thin straps also make it easier to wear tank tops! Available in nude, black and grey/navy.
Overall:
A lightweight and alluring number which best supports and flatters petite- to average-sized figures, and is comfortable to wear for long hours.
* MOST FUNCTIONAL *
What sizes are there?
32AA to 40D
Is it comfortable and fitting?
Both testers liked how comfortable and smooth the foam material is, but band sizes run a bit small so you will want to go up a size. While one tester said it was the best-fitting bra for her, another felt the band wasn’t wide enough, and since it’s a front-fastening bra, there are no adjustable hooks to perfect the fit.
Are breasts well supported?
Those with smaller busts or wide-set chests will benefit most from this bra, as the act of hooking the bra from the front helps push breasts together for a slightly lifted effect. It leaves breasts well-supported, with a natural-looking shape. The important thing is to get a good fit, and there are Marks & Spencer staff trained to help you find that
perfect size.
Is it invisible under a T-shirt?
Despite being a square metallic piece, the front clasp doesn’t show through. Our testers were also impressed that no outline was seen although the bra isn’t completely seamless, although one tester noted that the apex was faintly visible.
How versatile is it?
It can only be worn one way.
Design:
The front clasp is convenient and time-saving, not to mention quite elegant. Ideal for tops with low or plunging necklines like deep V-necks. Available in two basic colours, almond and black.
Overall:
Well-moulded cups and a handy front clasp make this bra great for everyday wear, and also give breasts a subtle lift, despite the fixed band.
* MOST VERSATILE *
What sizes are there?
XS (from 65AA) to XL (85E)
Is it comfortable and fitting?
It’s light and comfy with little need to readjust throughout the day, as the band and cups are made with stretchy urethane resin and slipguard material that hugs your body’s contours. Nothing digs into the flesh as there are no wires, although the padding may be a bit thick for those not used to it.
Are breasts well supported?
Its full cups help cover most of the breast, while a thicker construction with hardly any seams provides plenty of gentle support and lift without needing an underwire. Those with smaller busts will feel well protected and covered, while those with bigger busts can rest assured that the wider bands with three hooks also make this bra more comfortable.
Is it invisible under a T-shirt?
It has a completely smooth, virtually seamless design that doesn’t show through a T-shirt. It’s also quite padded, giving the bust more fullness, with no nipples peeking through.
How versatile is it?
It can be worn four ways – as a regular bra, crossback, strapless or halterneck to suit different tops.
Design:
It looks like a bandeau, as the front is made of one piece with a thicker centrepiece than other bras. And in true Uniqlo style, it has a simple, clean and no-frills aesthetic. Available in both beige and black.
Overall: A soft and stretchy yet firm convertible bra that offers full coverage and can be styled to suit a variety of outfits.
* SUPER COMFY *
What sizes are there?
32A to 40DD
Is it comfortable and fitting?
Made with super soft nylon, spandex and polyester material, this bra with lightly padded cups fits so snugly that you don’t really feel like you’re wearing one, and rests comfortably above the rib cage. Those with bigger busts will benefit from the wider straps too, which can be adjusted for comfort.
Are breasts well supported?
Yes, the sturdy yet non-wired underband provides good support and lift for both smaller and larger busts (one tester notes that when she jumped, it didn’t feel like her boobs were going to spill out). Its lightly lined construction – not padded – enhances breasts with a gentle and natural shape.
Is it invisible under a T-shirt?
An outline is faintly noticeable under a very tight-fitting T-shirt; otherwise, its smooth cups make it inconspicuous.
How versatile is it?
You can wear it the traditional way, or swap the straps for a cross-back style.
Design:
It’s quite low-cut so you can wear with more plunging tops. If the white logo straps are too loud for you, you can choose one with thinner straps sans words. Available in a range of pretty shades like pink and silver.
Overall:
A chic true-to-size bra with soft cups that hold their shape to enhance and conform to the natural curves of both smaller and fuller assets.
* SUPER STURDY *
What sizes are there?
32A to 42E
Is it comfortable and fitting?
Although the fabric is stiffer and the construction a bit more heavy-duty than some of the others, it still feels comfortable thanks to a sturdy construction and breathable mesh panels all around the side and back.
Are breasts well supported?
This bra features Wacoal’s signature style and technology – structure that’s meant to give support. It has a thicker band and three hooks instead of the usual two, to provide better support and less back-flesh spillage. Padding at the bottom half of the cups help to lift breasts and make them look fuller and perkier. It provides good support even as a strapless bra.
Is it invisible under a T-shirt?
The cups feature slightly scalloped edges that actually provide a smooth line, so it is quite discreet with no obvious bumps or outlines showing through the T-shirt. It has removable inserts, so you can wear less or more padding if you wish.
How versatile is it?
The straps can be removed, so you can wear it strapless, crossback or as a regular bra to suit your outift.
Design:
The scalloped edges are both pretty and functional, as the lower-cut half cups are great if you want a more open and sexy neckline. Available in basic colours: Beige and black.
Overall:
A well-constructed and very versatile bra that offers sufficient support for both smaller and larger chests, while giving breasts an added lift.
* EXCEPTIONAL SUPPORT *
What sizes are there?
32B to 36F (85B to 95F)
Is it comfortable and fitting?
It feels like a second skin, thanks to its super soft, 3D-moulded cups that are designed to gently hug your curves. Although it’s wired (which is necessary for supporting larger busts), the microfibre band is comfy and doesn’t feel like it digs into the skin.
Are breasts well supported?
Those with heavier busts can heave a sigh of relief as the Delice is made with an airy, breathable knit that’s lightweight yet supports breasts well. It gives good coverage without added volume for those with larger cup sizes, and breasts have a rounded, naturally-lifted shape.
Is it invisible under a T-shirt?
The cups are seamless so no unsightly bumps could be seen, even with the unique stitched design. The material is thinner and less lined than others, so it may not provide enough nipple coverage for some (especially if it’s cold!).
How versatile is it?
It can only be worn the classic way.
Design:
In typical French style, Simone Perele adds a little bit of sexy to the T-shirt bra, with a lacy underband and spaghetti straps stitched with an elegant floral guipure. Available in seven colours.
Overall:
A high-quality bra that’s not just beautiful to look at, but also offers excellent support and coverage for those with heavier busts.
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Photos: Angela Guo
- TAGS:
- bras
- comfortable
- T-shirt bras