Buying Guides
Between Clothing Sizes: Choosing by Fit and Fabric
2 min read · Updated October 27, 2026
When body measurements point to different sizes, look at the constrained area, stretch and intended silhouette rather than applying one rule.
Use the measurement type correctly
First establish whether the chart lists body measurements or finished product dimensions. UNIQLO publishes both kinds. Comparing your bust circumference to a flat garment width without converting and considering ease can make the size choice meaningless.
Find the least forgiving area
For a woven shirt, shoulders and chest may matter more than a loose hem. For fitted trousers, hip room and rise may be decisive. A size that accommodates one area can be too loose elsewhere; note which dimensions can reasonably be altered and which are tied to construction.
Read fabric and fit together
Stretch fabric can be intentionally close fitting, while a structured non-stretch garment usually needs movement room. Oversized is a design choice, not a directive to size down. Compare a similar piece you already own rather than guessing a fixed ease allowance.
Choose a different cut if neither works
If one size pulls and the next is excessively loose, the pattern may not match your proportions. A different cut can be more effective than accepting the wrong fit. Check returns and alteration restrictions before buying two sizes or ordering personalized hemming.
Before you order
- Remeasure the dimensions required by the product chart.
- Check stretch and intended fit.
- Compare a similar well-fitting garment.
- Consider another cut when adjacent sizes both fail.
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View the related sizing reference
Frequently asked questions
- Should I always size up in non-stretch clothing?
- Not always. Choose sufficient room for movement using the actual chart and garment measurements.
- Is sizing down the right way to wear oversized clothing?
- Not necessarily. It can change shoulder and sleeve proportions; compare finished dimensions first.
Keep reading
Calculators
Related articles
Body Measurements vs Garment Measurements
A size chart may describe your body or the finished garment. Learn the difference before comparing chest, waist and hip numbers.
How to Read a Clothing Size Chart
Check the market, units and measurement type before choosing a clothing size. S, M and L are only labels for that particular chart.
Sources
SizeAtlas · Last updated October 27, 2026