I spent thirty-five years on the bra floor at Bloomingdale's on 59th Street, and I can tell you the question I heard more than any other was not about size. It was a woman standing in front of the three-way mirror in a perfectly nice silk blouse, looking at her own chest, and saying, what is going on under here. The bra was wrong for the top. That is almost always the answer. A gal can spend two hundred dollars on a shirt and ruin the line of it with the wrong piece underneath.
So let's go through it, top by top. This is the conversation I used to have in the fitting room, only now I am writing it down for you.
Start with the fabric of the shirt
Before you think about the bra, put your hand on the shirt. Is it stretchy and close to the body, like a cotton tee or a knit? Is it silky and drapey, like a charmeuse blouse? Is it sheer? Is it stiff, like a button-down poplin? Each of those wants something different underneath. People skip this step and then wonder why nothing looks right. The shirt is the boss. The bra serves the shirt.
The everyday cotton tee or close-fit knit
This is the workhorse situation, and it calls for what we call a t-shirt bra. Smooth, lightly molded cups. No lace, no bows, no embroidered flowers on the front. The cups are made of one piece of foam or spacer fabric so there are no seams to print through. If you press your palm gently against the cup over your shirt, you should feel an even surface, not a ridge or a row of stitching.
For women in our age group, I particularly like what the industry is now calling spacer fabric. It is a knit foam that breathes. Old-school molded cups got sweaty in July; spacer cups don't. Also pay attention to the back band. A wider back, sometimes called a U-back or a smoothing back, keeps the band from cutting in and creating that extra line under a fitted tee. At our age, that wider band does a lot of quiet work.
Silky blouses and clingy knits
Anything that drapes and clings, like a silk blouse, a fine rayon, a slinky jersey dress, you want a seamless, smooth-cup bra with full coverage. Not a demi. The demi-cup ends right at the fullest part of the breast, and on clingy fabric that edge will show as a faint horizontal line across the front of you. Once you see it, you can't unsee it.
Full coverage in a molded cup gives you one continuous shape from the underarm to the center. The silk skims it. Nothing prints through. If you are between sizes, size up in the band rather than the cup for this kind of bra. A tight band ripples the silk.
Lace blouses and sheer fabrics
If your top has its own lace, the bra can join the party. A lace-trimmed bra, even one with a bit peeking up at the neckline, looks intentional under a lace blouse. It looks like styling, not an accident. Stay in the same color family. White lace bra under a white lace blouse, ivory under ivory.
Sheer chiffon over the shoulder, with nothing underneath but you and your bra, is a separate decision. Some women like a smooth nude bra to disappear; some like a soft camisole between the bra and the blouse for modesty; some like the lace to show on purpose. There is no wrong answer. There is only a deliberate answer.
The white dress shirt
Here is the rule that surprises people. Under a white shirt, nude does not mean white. White shows through a white shirt the way a white grocery bag does. A bra that matches your own skin, which for many of us is a pinky-beige or a deeper caramel, vanishes. The good lingerie houses now make t-shirt bras in five to eight skin tones. Find yours.
If you want the bra to be a quiet wink rather than invisible, a black bra under a crisp white shirt is a classic. It reads as a choice, not a mistake. Just commit. The half-hearted in-between, like a light gray under white, looks like laundry confusion.
Racerback tops, tanks, and halters
This is where a convertible bra earns its place in your drawer. Convertible just means the straps detach at the cup and at the back, so you can rearrange them.
- Racerback tank or dress. Clip the two straps together in the middle of your back with the little plastic connector that comes with the bra. Now the straps form a V that hides under the racerback shape.
- Halter top. Unhook both straps from the back of the bra and rehook them at the center front. They go up and tie behind your neck under the halter tie. Some halter bras have this built in.
- One-shoulder top. Take off the strap on the bare-shoulder side entirely. Most modern molded cups will hold up on the band alone for a few hours.
If you have wider-set straps from a regular bra and you can see them peeking out at the armhole of a tank, the convertible-to-racerback trick fixes it in about thirty seconds. I have a customer in her seventies who keeps one black and one nude convertible in her drawer and almost nothing else. She gets through every occasion.
Strapless and bandeau under thin summer dresses
A strapless bra under a fine summer dress is fine if it fits. The trouble is that strapless bras live or die by the band. The band has to be one size snugger than your normal bra, because the band is doing all of the support work. If your strapless slides down, it is the band, not the cups. A bandeau, which is essentially a soft tube, works for a smaller bust and a forgiving fabric. For anything heavier than a B, get a proper strapless with silicone strips along the inside of the band.
What to do if you can't find the right bra for the shirt
Sometimes the answer is to change the shirt, not the bra. I tell women this all the time. If a top demands a bra you do not own and will not wear all year, the top is the wrong purchase. A bra is an investment that should serve a dozen of your shirts, not the other way around.
Take a Saturday once a year, before the seasons turn, and go through your top drawer. Match each bra to two or three shirts you actually wear. If a bra doesn't pair with anything, it goes. If a shirt doesn't have a bra that works under it, the shirt goes, or you make a note to find the right bra. That little inventory ritual saves more frustration than any single shopping trip.
The shirt looks the way it looks because of what is underneath. Get that part right and the rest of the outfit falls into place.