Is Uniqlo true to size?
Uniqlo is true to size. Most shoppers wear their usual size, especially in tops. Boxy Japanese cuts, true to size for a relaxed fit Check the category notes below for tops, bottoms, and outerwear specifically.
Uniqlo generally runs true to size.
Oxford shirts and blazers: true to size but boxy in the torso, size down for a more tailored look.
Confidence: High, based on official size chart and shopper sentiment
Sizing overview
Most shoppers start with their usual size. Use the notes below to see where Uniqlo feels slimmer, roomier, or more consistent across categories.
Uniqlo is true to size. Boxy, Japanese-inspired cuts. True to size for a relaxed fit.
Plain-language cut notes and examples below show where pieces usually feel closer, roomier, or most predictable.
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.
Uniqlo is true to size. Boxy Japanese cuts, true to size for a relaxed fit
How to read Uniqlo sizing
Sizing tendency
Most shoppers start with their usual size.
Consistency
Low variation across categories.
Best check
Start with the category note, then check whether the cut is meant to feel structured or relaxed.
Variability and caveats
When Uniqlo can feel different from the usual sizing tendency
Cut
Relaxed cuts usually add ease, so they can feel roomier than the brand’s baseline.
Fabric stretch
Fabric stretch changes how strongly the sizing tendency shows up: more give softens it, less give makes it more obvious.
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.
Uniqlo Sizing by Category
Boxy, Japanese-inspired cuts. True to size for a relaxed fit.
What to expect
Expect tops to follow the label fairly closely unless the piece is intentionally oversized or sharply tailored.
True to size. Selvedge denim is rigid, size up if between sizes.
What to expect
Expect bottoms to follow the label fairly closely unless the piece is intentionally oversized or sharply tailored.
Ultra Light Down runs true to size.
What to expect
Expect outerwear to follow the label fairly closely unless the piece is intentionally oversized or sharply tailored.
How does Uniqlo sizing compare to other brands?
Uniqlo is true to size. Compared to similar brands shoppers frequently compare against:
Uniqlo is true to size, while Zara runs small. Your size may differ between these brands.
Uniqlo is true to size, while H&M runs small. Your size may differ between these brands.
Both fit true to size, your size should be similar at both brands.
Both fit true to size, your size should be similar at both brands.
Compare Brands
Common questions about Uniqlo sizing
Is Uniqlo true to size?
Uniqlo is true to size. Boxy Japanese cuts, true to size for a relaxed fit Most shoppers start with their usual size.
What size am I in Uniqlo if I wear a Medium?
A Medium at Uniqlo is roughly the same as a Medium at most contemporary brands. Fit can vary across tops, bottoms, and outerwear, so confirm against the specific category you are shopping.
Does Uniqlo fit differently by category?
Yes. Fit varies by category at Uniqlo, covering tops, bottoms, and outerwear, since the same brand often cuts tops and outerwear to different proportions.
Is Uniqlo's size chart accurate?
Uniqlo publishes an official size chart, and ThisFits cross-references it against real shopper fit reports. Uniqlo shows low variation across categories, so the chart is a reliable starting point with adjustments based on cut.
What if I'm between sizes at Uniqlo?
Uniqlo fits true to size, so when you are between sizes, pick based on how close you want the cut to feel. Sizing up gives a relaxed feel and sizing down gives a more fitted silhouette.
How does Uniqlo sizing compare to other brands?
Uniqlo sizes similarly to H&M and Uniqlo, your usual size applies. Shoppers commonly compare Uniqlo against other contemporary labels in the same category to translate sizes between brands they already wear.
Can I return Uniqlo items if the size is wrong?
Uniqlo typically accepts returns on unworn items with tags within the window stated on the order page or receipt. Policies vary by retailer and third-party sellers may differ, so confirm before ordering.