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Ralph Lauren Size Chart & Fit Guide

True to size

True to Size

Ralph Lauren sizing varies significantly by fit type. Classic Fit runs generous (almost a full size big). Slim Fit is closer to true US sizing. Custom Slim Fit is the most tailored. Women's Polo line is TTS while the Lauren line runs roomier.

Polo TTS. Lauren roomier.

Classic Fit generous. Slim narrower.

SizeBust/ChestWaist
XS (2)32–34″25–27″
S (4-6)34–36.5″27–29.5″
M (8-10)36.5–39″29.5–32″
L (12-14)39–42″32–35″
XL (16)42–45″35–38″
SizeBust/ChestWaistHip
2 (XS)25–27″35–37″
4-6 (S)27–29.5″37–39.5″
8-10 (M)29.5–32″39.5–42″
12-14 (L)32–35″42–45″
16 (XL)35–38″45–48″
SizeBust/ChestWaist
S34–36″28–30″
M38–40″31–34″
L42–44″35–38″
XL46–48″40–42″
SizeBust/ChestWaistHip
3030–31″36–37″
3232–33″38–39″
3434–35″40–41″
3636–37″42–43″

Ralph Lauren Sizing FAQ

Does Ralph Lauren run true to size?
It depends on the fit. Slim Fit is true to size. Classic Fit runs about one size big — a Classic Fit M fits like most brands' L. Custom Slim Fit is more tailored than standard.
What's the difference between Polo and Lauren?
Polo Ralph Lauren is the main line with standard sizing. Lauren Ralph Lauren is a more affordable line that tends to run slightly roomier, especially in dresses and blouses.
Should I size down in Ralph Lauren Classic Fit?
Yes, if you want a modern fit. Classic Fit is cut generously for a traditional look. Many people size down one for a more contemporary silhouette.

Not sure which Ralph Lauren size?

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