Is Adidas true to size?
Adidas is true to size. Most shoppers wear their usual size, especially in tops. True to size; running shoes run slightly small Check the category notes below for tops, bottoms, and outerwear specifically.
Adidas generally runs true to size.
True to size; running shoes run slightly small
Confidence: Medium, based on official size chart data
Sizing overview
Most shoppers start with their usual size. Use the notes below to see where Adidas feels slimmer, roomier, or more consistent across categories.
Adidas is true to size. True to size across most lines. AEROREADY and Techfit run slightly compressive, size up if you prefer a loose 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.
Adidas is true to size. True to size; running shoes run slightly small
How to read Adidas 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 Adidas can feel different from the usual sizing tendency
Cut
Cut matters most when a piece is intentionally tailored or intentionally oversized.
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.
Adidas Sizing by Category
True to size across most lines. AEROREADY and Techfit run slightly compressive, size up if you prefer a loose fit.
What to expect
Expect tops to follow the label fairly closely unless the piece is intentionally oversized or sharply tailored.
Track pants and shorts run true to size. Tiro joggers can run slim through the leg.
What to expect
Expect bottoms to follow the label fairly closely unless the piece is intentionally oversized or sharply tailored.
Running shoes (Ultraboost, Solarboost) run slightly small. Size up 0.5. Lifestyle sneakers (Stan Smith, Samba) run true.
What to expect
Expect shoes to feel closer than the label suggests, especially in more structured pieces.
Performance tights run true to size with a compressive feel. Size up for comfort.
What to expect
Expect activewear to follow the label fairly closely unless the piece is intentionally oversized or sharply tailored.
How does Adidas sizing compare to other brands?
Adidas is true to size. Compared to similar brands shoppers frequently compare against:
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Common questions about Adidas sizing
Is Adidas true to size?
Adidas is true to size. True to size; running shoes run slightly small Most shoppers start with their usual size.
What size am I in Adidas if I wear a Medium?
A Medium at Adidas is roughly the same as a Medium at most contemporary brands. Fit can vary across tops, bottoms, shoes, and activewear, so confirm against the specific category you are shopping.
Does Adidas fit differently by category?
Yes. Fit varies by category at Adidas, covering tops, bottoms, shoes, and activewear, since the same brand often cuts tops and activewear to different proportions.
Is Adidas's size chart accurate?
Adidas publishes an official size chart, and ThisFits cross-references it against real shopper fit reports. Adidas 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 Adidas?
Adidas 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 Adidas sizing compare to other brands?
Adidas sizes similarly to H&M and Uniqlo, your usual size applies. Shoppers commonly compare Adidas against other contemporary labels in the same category to translate sizes between brands they already wear.
Can I return Adidas items if the size is wrong?
Adidas 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.