Home/Guides/How to Order Dresses Online Without Sending Them Back
Dresses
How to Order Dresses Online Without Sending Them Back
How to Order Dresses Online Without Sending Them Back — key points at a glance
Published 17 September 2026 · updated 2026-09-17 · by FashionBookings
Short answer: Most online dress returns are a fit problem, not a style problem. Measure your bust, waist and hips, match those centimetres against the brand's size chart, check the fabric content for stretch and shrinkage, and read reviews from customers who mention their measurements. Do those four things and returns fall dramatically.
UK shoppers return roughly one in three online clothing orders, and fit — not colour or style — is the dominant reason. Reduce returns on dresses by measuring your bust, waist and hips, then matching those centimetres to the brand's size chart rather than trusting your usual label size.
Why returns are a size problem, not a taste problem
When a dress comes back, the most common note on the return slip is some variation of "didn't fit." Not "wrong colour." Not "changed my mind." Fit. And fit is largely solvable, because the mismatch almost always happens at the same moment: when you skip the size chart and order from memory.
The difference between a successful online order and a wasted return often comes down to two numbers — your body measurements and the garment's size chart figures. When those numbers match, the dress fits. When you substitute your usual label size for actual measurements, you're gambling on the assumption that every brand cuts identically. They don't, and they never have.
Take your measurements before you browse
The tape measure is the single most useful tool in online dress shopping. Not the size printed on your jeans. Not what you measured for a wedding three years ago. Your actual measurements today, in centimetres, saved somewhere you can find them when you're browsing.
What to measure and how
Stand in your underwear, feet together. Hold the tape snug — touching the skin but not digging in.
Bust: around the fullest part of your chest, tape parallel to the floor
Waist: at your natural waist, which is the narrowest point — usually a couple of centimetres above your navel, not where your jeans sit
Hips: around the fullest part of your hips and seat, typically 20–23 cm below your natural waist
Height: bare feet, heels against a wall
Torso length: from the top of your shoulder to your natural waist, which tells you where a waist seam will sit on your body
Measurement
Where to take it
Most common mistake
Bust
Fullest part of chest
Measuring over a padded bra or jumper
Waist
Narrowest point, above navel
Measuring at the trouser waistband
Hips
Fullest part of seat
Measuring too high, in the waist area
Torso length
Shoulder point to natural waist
Starting at the neckline instead of the shoulder
Dress length
Natural waist to floor
Forgetting to account for heel height
Save these numbers in your phone's notes. You'll use them for every online clothing order that fits to the body.
Measure in the evening, not the morning
Your body measurements can shift by a centimetre or more over the course of a day, depending on posture, hydration and meals. Evening measurements give you a more realistic "lived in" figure — which means you're less likely to order a dress that zips up first thing but won't close after dinner.
Reading a size chart against your body, not your label
Every brand publishes a size chart. Most shoppers glance at it, confirm that "M is usually 10–12," and order on instinct. This is where the returns begin.
The correct way to use a size chart is to find your body measurements in the table — bust, waist, hips — and order the size that corresponds to those numbers, even if the label feels unfamiliar. If your bust falls between two sizes in a fitted, woven dress, size up and consider adding a belt to define the waist. If the dress is designed to drape with no defined waist seam, the bust measurement matters most.
Pay close attention to whether the chart shows body measurements or garment measurements. Body measurements tell you what size person the garment is intended to fit. Garment measurements show how large the actual fabric is. For a fitted style, body measurements are what you match against. For an oversized or boxy silhouette, garment measurements are more useful. Many listings don't specify which type they've published — if it's unclear, check the Q&A section or read several detailed reviews.
UK versus European versus US sizing
Amazon lists products from sellers across Europe and beyond. A German seller's size 40 is a UK 12. A US seller's size 8 is also broadly a UK 12, but cut to different proportions. A brand's international S might be scaled to a different average body than the UK average. Alpha sizes and numeric labels are not standardised across borders. Always verify the centimetre measurements, not just the size label.
Fabric: stretch, shrinkage and what the listing doesn't say
Two dresses can have identical size chart figures and fit completely differently, because one is woven cotton and the other is jersey with elastane. Fabric content changes how a garment moves, stretches and behaves on a real body.
Stretch is the most critical variable. Woven fabrics — cotton, linen, chiffon, denim — have very little give. They need to fit your measurements with ease already built in by the manufacturer. Jersey, ponte, and any fabric containing elastane or spandex will stretch and recover, accommodating a range of measurements. A jersey dress in size 12 may comfortably fit several different bust sizes depending on the design, because the fabric moves with the body rather than against it.
Shrinkage affects whether the dress that arrives will still fit after its first wash. Natural fibres — cotton, linen, viscose — can shrink unless pre-treated. Check whether the listing describes the fabric as pre-washed, and look in the reviews for post-wash comments, which are often more reliable than the product description.
Viscose shrinks more than most buyers expect
Viscose (also labelled rayon) drapes beautifully in product photos and feels soft against the skin, which is why it appears constantly in online dress ranges. It also shrinks noticeably in the first wash, especially in warm water, and can grow baggy in humid conditions. If you buy viscose, cold-wash on a delicate cycle and hang to dry — and if you are between sizes on the chart, size down rather than up to account for any movement after washing.
Lining changes apparent fit in ways that size charts don't capture. A fully lined dress holds its shape, skims the body and moves as one piece. An unlined, thin fabric clings and shows everything beneath it. "Fully lined" in the product details is worth seeking out if you want the structured silhouette shown in the photos. Many customers are surprised to find the model was wearing shapewear beneath what appeared to be a clean, smooth silhouette.
Vanity sizing and why your usual label size is unreliable
Clothing sizes have been expanding quietly for decades. A UK size 12 today is typically cut larger than a size 12 was twenty years ago. Fast fashion brands often size generously — partly to reduce returns, partly because shoppers respond well to fitting into a smaller number. Heritage brands and many European manufacturers still cut to older, smaller standards.
This creates a situation where your "usual size" is only reliable within a single brand's current season. Change brands, change price point, change country of manufacture, and the same number on the label may fit entirely differently. A size 12 in one high-street range may sit a full size larger than a 12 in another. Neither label is dishonest — but if you order based on the number rather than your measurements, you'll lose the bet a significant portion of the time.
Your centimetre measurements don't have a vanity sizing mode. They're constant. That's why they're the only reliable starting point.
What product photos actually tell you about fit
Models are styled to make garments look their best. That's entirely legitimate, but you need to read past the styling to extract information you can use.
Check the model's stated measurements or height if the listing provides them. If the model is 5'9" with a 32" bust and you are 5'4" with a 38" bust, you are looking at a fundamentally different wearing experience. A hem that falls at the knee on her may sit at mid-thigh on you.
Look for tension in the fabric. A dress that pulls horizontally across the hips or bust — even on the model, even under flattering light — indicates that the garment is fitted tightly at that point. Diagonal lines running across the front usually mean the garment is too narrow in the width somewhere. Smooth, uninterrupted drape with no pulling suggests the model is comfortably within the intended fit range.
Multiple angles matter. A listing with only a front-facing photo tells you very little about how the dress actually sits. Side and back shots reveal silhouette, fabric weight and whether the garment has enough ease to move in. A listing that shows only one angle is a signal to read the reviews more carefully before ordering.
Mining reviews for fit intelligence
Customer reviews are the most useful source of fit data on any product page, but only if you read them correctly.
Filter for reviewers who give measurements. "I am 5'5", size 12, 36" bust and this fitted perfectly" is actionable. "Runs a bit small" tells you almost nothing about whether it will fit you.
Watch for height versus hem length comments. If reviewers who are 5'4"–5'6" consistently describe a dress as hitting the knee, expect it to fall higher on you if you're taller. The hem length shown in product photos is typically at the model's height, which is often 5'9" or above.
Note repeated complaints across multiple reviewers. One person saying the back zip is stiff is one experience. Five different reviewers saying the zip pulls tight across the upper back is a genuine fit pattern in that specific garment — size up or look elsewhere.
Check the most recent reviews first. Manufacturers sometimes update the cut or fabric of a product without changing the listing title or photos. A product with strong older reviews and poor recent ones may have been revised. Sort by most recent before you draw conclusions.
The pre-order checklist
Before you add any dress to your basket, run through this list:
[ ] I have my current bust, waist and hip measurements in front of me
[ ] I have found the brand's actual size chart showing centimetre measurements
[ ] I have matched my measurements to the chart, not my usual label size
[ ] I know whether the chart shows body measurements or garment measurements
[ ] I have checked the fabric content for stretch and shrinkage potential
[ ] I have noted whether the dress is lined or unlined
[ ] I have checked the model's height or measurements if the listing provides them
[ ] I have read at least five reviews that mention fit, measurements or height
[ ] I have noted any complaints that appear across multiple reviewers
[ ] If between sizes on a non-stretch woven fabric, I have sized up
Tick every box and you have done everything possible before the parcel arrives. Miss several boxes and you know the uncertainty you're carrying — which turns a return, if it happens, into useful data rather than a frustrating surprise.
Our picks
Glamaker Women Summer Tshirt Midi Dress Soft A Line Cap Sleeve Casual Sun Dress for Work Beach V
What is the best way to measure my hips accurately at home on my own?
Stand with your feet together and find the fullest part of your seat — typically around 20–23 cm below your natural waist. Wrap the tape around this point, keeping it parallel to the floor. It helps to use a mirror to check the tape isn't dipping at the back. If possible, measure twice and use the larger figure. Hips are the measurement most people underestimate, and it's the one most likely to cause a fitted dress to pull or not fasten at the back.
Should I size up or size down if I fall between two sizes on a dress size chart?
For woven, non-stretch fabrics — cotton, linen, chiffon — size up. The fabric has no give, so if you are between a 12 and a 14 on the chart, the 12 will pull and the 14 can be belted or altered. For jersey or elastane-blend fabrics, either size may work, but consider which measurement is closest to the larger size: if your hips are the outlier, prioritise those. When in doubt with a woven style, sizing up and belting the waist is almost always the better outcome than a dress that won't fasten.
Why do I take a size 10 in one brand and a size 14 in another? Which is my real size?
Both are your real size within those respective brands — the labels just don't represent a fixed standard. UK clothing sizes have expanded significantly over the decades, and different brands calibrate them differently. Fast fashion brands often cut generously to reduce returns; heritage and European brands frequently cut to older, smaller standards. Your centimetre measurements are the constant across all of them. Once you know your bust, waist and hip measurements, you can look up exactly which size a specific brand's chart says to order, regardless of what number that turns out to be.
How can I tell from a listing whether a dress is likely to shrink after washing?
Check the fabric composition in the product details. Viscose, cotton and linen are the fibres most prone to shrinkage, especially in the first wash. Look for terms like "pre-washed" or "pre-shrunk" in the description, which indicate the manufacturer has already removed most of the shrinkage potential. In the reviews, search for comments about post-wash fit — these are often more reliable than the listing itself. If none of this information is available and the fabric is viscose or cotton, assume some shrinkage and order accordingly.
As an Amazon Associate we earn from qualifying purchases. Prices and availability are accurate as of the date shown and are subject to change — the price on Amazon at checkout is the one that applies.
