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A Phrase Everyone Uses and No One Defines
"True to size" shows up on product pages and in nearly every review section. It sounds reassuring — but it's one of the most misunderstood phrases in online shopping. Used carelessly, it can lead you straight to a wrong-size order.
What It's Supposed to Mean
"True to size" means a garment fits as its labeled size suggests — if you normally wear a medium, the medium will fit you as expected. "Runs small" means you may need to size up; "runs large" means you may need to size down.
So far, so simple. The problem is the hidden assumption: true to whose size?
Why It's Not Always Reliable
There is no universal sizing standard. A medium varies between brands because of vanity sizing and different fit models, so "true to size" is really "true to this brand's idea of size." A reviewer who finds an item true to size may have a different body and a different baseline than you. The phrase describes a relationship to a brand's chart — not an objective fact about your body.
That's why "true to size" reviews are a signal, not a guarantee. They're most useful in volume: a dozen "runs small" comments mean more than one "fits perfectly."
How to Use "True to Size" Wisely
- Read it in aggregate. Patterns across many reviews beat any single comment.
- Check the reviewer's context. Some platforms show the reviewer's size and the size they bought — far more useful than the phrase alone.
- Anchor to measurements. Compare your body measurements to the brand's chart rather than trusting the label. See How to Measure Yourself for Clothes.
- Remember it's brand-specific. "True to size" at one store says nothing about another.
The Reliable Alternative
The reason "true to size" is so slippery is that it asks you to interpret. A size recommendation removes the interpretation — it accounts for your body and the specific product and simply tells you the size to order. That's the difference between a hint and an answer. More on that in Size Chart vs. Size Recommendation.
Where YourSizer Fits
When a store uses YourSizer, you don't have to decode "true to size" at all — you get a product-specific size answer based on you. Until then, read the phrase in aggregate and trust your measurements.
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Frequently Asked Questions
What does "true to size" mean?
It means a garment fits as its labeled size suggests — your usual size should fit as expected. "Runs small" means size up; "runs large" means size down.
Is "true to size" reliable?
Only partly. There's no universal sizing standard, so it really means "true to this brand's sizing." Read it across many reviews, not one.
How can I be sure of my size?
Compare your measurements to the brand's chart, read reviews in aggregate, and use a size recommendation tool when the store offers one.