Theory Women's tops run small. Runs small. Tailored minimalist, size up one.
Tops notes
Get a personal size recommendation for Theory Women's tops, accounts for the brand's cut tendency and your saved measurements.
GENERAL BRAND GUIDANCE
This is a general brand-level sizing summary, not an exact product recommendation. For your specific size, paste a product link into the fit checker.
Theory Women's tops run small. Runs small. Tailored minimalist, size up one.
Best starting point
Size up once in Theory Women's tops if you want an easy everyday fit.
Cut note
Runs small.
Examples
Think tees, blouses, knits, and lightweight layering pieces.
Default to sizing up in Theory Women's tops if you want an easy everyday fit. Sizing stays consistent across Theory Women's tops, so once you find your size it holds.
Choose the slimmer feel
Stay at your usual size only if you want a neater fit and feel comfortable in closer-fitting cuts.
Choose the roomier feel
Go up one size for breathing room, especially when this category uses closer-fitting cuts.
Variability and caveats
Cut
Structured pieces usually feel smaller first, especially through the shoulders, waist, or hip.
Fabric stretch
Rigid fabrics usually make the sizing tendency show up more clearly because there is less give.
Styling
This brand is fairly consistent, but styling can still shift the feel when a piece is meant to be sharply fitted or deliberately oversized.
Compare measurements side-by-side using the label rows below.
Fit notes below call out cut and measurement differences that matter most on smaller screens.
| Size | Bust | Waist | Hips | EU |
|---|---|---|---|---|
XS | 30–32" | 23–25" | 33–35" | 34 |
S | 32–34" | 25–27" | 35–37" | 36 |
M | 34–36" | 27–29" | 37–39" | 38 |
L | 36–38" | 29–31" | 39–41" | 40 |
XL | 38–40" | 31–33" | 41–43" | 42 |
Measurements are shown in inches where numeric values are available.
Chart footnotes
Theory Women's tops usually run small.
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