Short answer: when your bust, waist and hips point to different dress sizes, do not let the sizes vote. Start with the size chart for the exact dress, find every body area where the dress stays fitted, and choose the largest size required by those fitted areas.
A larger measurement can matter less when it sits under a genuinely loose part of the dress. But a silhouette name such as “A-line” is not enough evidence to ignore a limit printed in the product chart. Stretch, shirring, ties and lace-up details only help where they physically exist.
Three-step size decision
- Mark every area where the dress remains fitted.
- Find the size required by each of those areas on the exact product chart.
- Choose the largest required size unless finished-garment measurements prove a looser section has enough room.
This page solves circumference conflicts within one size chart. If the problem is a shoulder, waist, sleeve or hem that sits too low, read petite vs. regular sizing instead.
| What the dress does | Measurement that can decide the size | What to do |
|---|---|---|
| Fitted bodice with a loose skirt | Bust and fixed waist | Choose the larger size required by the fitted upper body; confirm hip room in the product data. |
| Sheath, pencil, fitted slip or mermaid | Bust, waist and hips | Choose the largest size required by all fitted areas. |
| Fully shirred or smocked bodice | The body area covered by functional shirring | Use the published range; do not assume the smaller size stretches far enough. |
| Functional lace-up or true wrap | Only the area the lacing or wrap adjusts | Do not use an adjustable bodice to justify an undersized skirt. |
Start With the Size Chart for the Exact Dress
Do not begin with the size you usually wear, the model’s size, or the size of your last RIHOAS dress. Begin with the bust, waist and hip values on the page of the dress you are buying.
Also check whether the table shows body measurements or finished garment measurements. Body measurements describe the person a size is intended to fit. Garment measurements describe the physical dress. They are not interchangeable.
Suppose your measurements are:
- Bust: 92 cm
- Waist: 74 cm
- Hips: 104 cm
On the current product charts used in the examples below, 92 cm at the bust and 74 cm at the waist point to M, while 104 cm at the hips points to L. The answer changes only when the dress construction provides clear evidence that the M does not need to fit closely around the 104 cm hip.
The Same Measurements Can Produce Different Answers
Case 1: A No-Stretch Mermaid Dress
The Pink Slip Mermaid Satin Maxi Dress is listed as a no-stretch mermaid silhouette with a zipper. Its product chart lists M at 92 cm bust, 74 cm waist and 100 cm hips; L is 96 cm bust, 78 cm waist and 104 cm hips.
For a body measuring 92/74/104 cm, choose L. The bust and waist fit M, but the dress remains fitted through the hips before it flares. Two M measurements do not cancel one L measurement at a fitted area.
Product example: Pink Slip Mermaid Satin Maxi Dress. Available sizes at verification: XS, S, M, L, XL.
Case 2: A No-Stretch A-Line Dress
The Wine Red Satin A-Line Slip Maxi Dress is listed as no stretch, naturally waisted, zippered and lined. Its product chart also lists M at 92/74/100 cm and L at 96/78/104 cm.
The A-line skirt suggests that more room may exist below the waist, but the page does not publish a finished hip measurement proving that M is designed for a 104 cm hip. Based on the published chart, choose L or ask for the finished hip measurement before choosing M.
This is the useful distinction: the silhouette tells you where room may exist; the measurements confirm whether enough room exists.
Silhouette selection comes before the final chart check. Compare the fit behavior of wrap, shirt, A-line and clean-line dresses in the petite silhouette guide, or use the body-shape and proportion guide when the problem is broader than height.
Product example: Wine Red Satin A-Line Slip Maxi Dress. Available sizes at verification: XS, S, M, L, XL.
Case 3: A Lace-Up Back Adjusts the Bodice, Not the Skirt
The Green Jacquard A-Line Slip Maxi Dress has a functional lace-up back, no-stretch fabric, a lining and a concealed zipper. The lace-up detail can change how closely the bodice fits. It does not add fabric below the waist.
If your hips require L in the chart, the adjustable back is not evidence that M will fit the skirt. Always ask which body area the adjustable feature actually changes.
Product example: Green Jacquard A-Line Slip Maxi Dress. Available sizes at verification: XS, S, M, L, XL.
Case 4: When Product Information Conflicts, Do Not Guess
The White Jacquard Shirred Slip Midi Dress is described as having a fully shirred bodice that creates a stretchy custom fit. On the same page, the specification field says “Fabric Stretch: No Stretch” and lists a zipper and a polyester lining.
If your waist and hips match S but your bust matches M, do not choose S only because the word “shirred” appears in the description. The page does not state the tested maximum bust of the S bodice. Use M, or ask whether the S bodice and lining are designed to fit your exact bust measurement.
Product example: White Jacquard Shirred Slip Midi Dress. Available sizes at verification: XS, S, M, L, XL.
Which Measurement Controls the Size?
| Product page shows | Keep these measurements in the decision |
|---|---|
| Fitted bodice + A-line skirt | Bust and waist; keep hips unless finished measurements confirm enough room. |
| Fixed, non-elastic waist | Waist, plus any fitted bust or upper-skirt area. |
| Sheath, pencil, fitted slip | Bust, waist and hips. |
| Mermaid or trumpet | Bust, waist, hips and seat, with particular attention to the hips. |
| Loose empire waist | Bust and the seam below the bust; waist and hips may matter less only when the lower dress is truly loose. |
| True wrap dress | Bust coverage, waist range and skirt overlap at the hips. |
| High-stretch bodycon | All three body ranges, followed by the amount of compression you prefer. |
Stretch Only Helps Where You Need the Room
A shirred back may add room to the back of the bodice. It does not automatically widen a fixed front panel. An elastic waist may fit more waist measurements, but it does not enlarge the hips of a fitted skirt. A stretchy outer fabric can still feel tight when the lining does not stretch.
Do not turn the elastane percentage into a size conversion. A dress with 5% elastane is not automatically one size more flexible. Use the product’s stated stretch level, then check whether the lining, zipper and fitted seams allow that area to expand.
When the Smaller Size Is Already Ruled Out
Some choices do not need more interpretation.
If your waist is 74 cm, the S value is 70 cm, and the dress has a fixed no-stretch waist with a zipper, choose M. S is not a closer fit; it is below the published requirement.
The same applies when your bust exceeds the smaller size in a fixed bodice, or your hips exceed it in a no-stretch fitted skirt. Do not average the sizes and do not choose the letter that appears twice.
When the Smaller Size May Still Work
A smaller size is reasonable only when the product information supports it. Useful proof includes:
- Both sizes’ body ranges include your measurement.
- The smaller size’s finished garment measurement still provides enough room.
- A published stretch range covers your measurement.
- A functional wrap, elastic panel or lace-up detail adjusts the fitted area.
- The larger body measurement sits entirely inside a loose section, and the product data confirms the room.
Even then, check what choosing smaller changes. It may create more bust compression, less overlap in a wrap skirt, more pulling at a zipper, greater transparency, a higher waistline or a shorter overall length.
Use Reviews to Break a Tie, Not to Replace the Chart
Reviews are most useful after the chart leaves two sizes that can both plausibly fit. Search for comments that identify a specific location:
- “Tight at the bust”
- “Loose at the waist”
- “Tight through the hips”
- “The lining has no stretch”
- “The zipper was difficult to close”
A review that only says “true to size” does not resolve a bust-versus-hip conflict. Give more weight to recent reviews that include body measurements and name the exact area that felt tight or loose.
When the Product Page Does Not Give Enough Information
Do not guess when a fitted area is missing from the chart, the position of the shirring is unclear, or the description and specification fields disagree.
Ask a specific question:
- What is the finished hip measurement for size M?
- Does the lining stretch?
- Is the shirring functional across the entire bodice?
- Are the listed numbers body measurements or garment measurements?
- How much can the lace-up back adjust?
Recognizing that the available data cannot support the smaller size is more useful than forcing a general rule onto the product.
Measure the Same Body Areas the Chart Uses
- Measure the bust around the fullest part of the chest.
- Measure the waist at the natural waistline.
- Measure the hips around the fullest part of the hips and seat.
- Keep the tape level and close to the body without pulling it tight.
- Wear the bra you plan to use with the dress.
FAQ
Should I choose the dress size that appears twice?
No. If your bust and waist match M but your hips match L, M is only correct when the dress does not need to fit closely around the hips and the product data confirms enough room.
Should I always size up in a non-stretch dress?
Size up when the measurement controlling a fitted part of the dress exceeds the smaller size. You do not need to size up for a larger measurement that sits inside a confirmed loose area.
Can stretch let me choose the smaller size?
Only when the smaller size still covers your measurement, or the product provides a clear stretch range for the exact area where you need room.
Does 5% elastane mean I can size down?
No. Fiber percentage does not show how far the finished dress stretches, whether the lining stretches, or whether a zipper and fixed seams limit the fit.
My waist is M and my hips are L. Do I need L in an A-line dress?
Not automatically. But do not choose M until the finished garment measurement, a tested range or another clear product detail confirms that M has enough hip room.
The Rule to Remember
Start with the product chart. Find every body area where the dress stays fitted. Among those areas, choose the largest size required.
A loose section can make one measurement less important, but it does not automatically cancel a limit printed in the chart. Stretch and adjustability only help where they actually exist.
Use the chart for the exact dress
Compare silhouettes, then verify every fitted area
A collection can help you choose a construction; only the product page can provide the chart for the final size decision.
