How to Order the Right Size Online After 60 (Without Guessing)
Ordering clothes online should be the easy part of the day, and for years it was, right up until two size larges arrived from two different labels and only one of them fit. If you have ever kept a dress you did not really love because you could not face another trip to the post office, this one is for you.
Sizing is the question we get asked about more than almost anything else, so we wrote out exactly what we tell women who walk in holding their phone, squinting at a size chart. It takes about five minutes to do properly. Once your numbers are written down, you almost never have to guess again.
Why the number on the tag stopped being a reliable guide
Here is the part that catches most women off guard: clothing sizes in the United States are not standardized. There is no rule, no governing body, no agreed measurement that says a size 12 must equal a specific waist. Every brand sets its own chart, and many have quietly shifted those charts over the decades so the number reads smaller than it once did.
On top of that, plenty of what we buy now is cut to charts developed overseas, where the same letter can run a full size or two narrower through the shoulder and upper arm. So a woman who wore a size 10 comfortably for thirty years is not doing anything wrong when a size 10 suddenly does not close. The tag moved. She did not.
The fix is simple and slightly old fashioned. Stop shopping by size and start shopping by measurement.
Measure yourself once, properly
You need a soft tape measure, the fabric kind from the sewing basket, and about five minutes. Wear the underclothes you would normally wear, stand naturally, and do not suck anything in. Breathe out, then measure. The tape should sit snug against you without pressing in.
- Bust. Around the fullest part, with the tape level all the way around. Have it dip in the back and the number will read small.
- Waist. Not where your slacks sit, but the narrowest part of your torso, usually an inch or so above the belly button. Bend to one side and the crease that forms is your natural waist.
- Hip. Around the fullest part of the hips and seat, generally seven to nine inches below the waist. Keep your feet together.
- Upper arm. Around the fullest part of the bicep, arm relaxed at your side. This is the measurement nobody takes, and it is the one that decides whether a sleeve feels graceful or tight.
Write all four in the notes app on your phone with today's date. Bodies shift, so check them again once a year or after any noticeable change. Ribcage and waist measurements in particular tend to change through our sixties and seventies while shoulders stay much the same, which is exactly why an old size stops working while a favorite jacket still fits fine across the back.
How to read a size chart the right way
Most charts list body measurements, meaning what the garment is designed to fit. Some list garment measurements, meaning the flat dimensions of the item itself. These are not the same thing, and mixing them up is behind a great many returns.
If a chart says bust 40 inches and your bust is 40 inches, that is a body chart and you are a match. If it says bust 48 inches on a dress that is clearly not enormous, that is a garment measurement and it already includes the ease the designer built in. When it is not stated, look at how the numbers jump. Body charts step up in one or two inch increments. Garment charts often jump three or four.
Then take the single most important step: match your largest measurement to the chart, not your average. If your bust says medium and your hip says large, order the large. Fabric can drape over room you do not need. It cannot create room that is not there.
When you land between two sizes
This happens constantly and the answer depends entirely on the cut.
For anything fitted through the waist, a wrap, a belted shirtdress, a structured blouse, size up and let the belt or the seam do the shaping. For a relaxed or gathered style, the kind that skims rather than grips, stay with the smaller size, because sizing up on an already generous cut usually just adds bulk at the shoulder where you did not want it.
Fiber matters here too. Linen and cotton have very little stretch, so borderline is genuinely borderline. A cotton blend with a small amount of elastane gives you an inch of forgiveness that pure linen simply does not. Our guide to the best fabrics to keep you cool in summer goes further into how each fiber behaves once you are wearing it in the heat.
Four questions that predict fit better than the size does
Before you add anything to the cart, look past the size dropdown and check these.
Where does the widest point sit?
On a shift or a cocoon cut, the widest part of the dress should fall at or below your fullest point, never right on top of it. This is the single biggest difference between a dress that skims and one that catches, which we covered in detail in dresses that skim the tummy instead of clinging.
How long is it, really?
Total length is measured from the highest shoulder point down, not from the underarm. Compare it against a dress you already own and love by laying that dress flat and running the tape from shoulder seam to hem. Two inches is the difference between grazing the knee and sitting awkwardly mid calf.
What is the sleeve opening?
Add two to three inches to your upper arm measurement for a comfortable sleeve, more if you want it to float rather than follow the arm.
What is the shoulder width?
For anything tailored, this is the measurement least able to be fudged. A dress can be roomy elsewhere and still feel wrong if the shoulder seam lands an inch out.
A cut with a gathered waist and a generous through the body shape, like the Kwani Easy Casual Flow Dress, is far more forgiving of a borderline measurement than a fitted style is, which is one reason it runs from S all the way to 5XL. The same goes for a relaxed linen top such as the Zamma relaxed linen top, where the drape does the work instead of the seams.
The fitting test before you cut the tags
When the parcel arrives, try it on and then actually move. Sit down in a dining chair. Reach up as if for a top shelf. Fasten a seatbelt. Walk the length of the hallway. If the fabric pulls across the seat when you sit, or the sleeve stops you lifting your arm, the size is not right no matter what the tape said, and no amount of hoping will change it after the first wash.
Check the shoulder seam sits where your arm meets your body, check nothing gapes at the bust, and look at yourself in daylight rather than under a bathroom bulb. Our notes on the most flattering dress shapes after 50 are a useful second opinion if you are unsure whether it is the size or the silhouette that feels off.
Write it down and stop guessing
Four numbers in your phone, one habit of matching your largest measurement, and one honest movement test. That is the whole method, and it turns online ordering back into something pleasant instead of something you brace for.
We publish measurements on every style for exactly this reason, and it is a good part of why customers rate us 4.8 out of 5 across more than 800 reviews. If you would like somewhere gentle to start, our cool and comfortable summer dresses and the linen edit both list full garment measurements alongside every size, so you can check your numbers before you decide.