Brand Comparison · 2026

    AdidasvsNew Balance, Size Comparison

    Adidas and New Balance are both generally true to size. Your usual size should work at both brands, though fit can vary by category.

    Quick Answer

    Adidas vs New Balance sizing, quick answer

    Adidas and New Balance both fit true to size, so most shoppers can wear their usual size at either brand. Fit can still vary by category, check tops, bottoms and outerwear individually below.

    • Adidas: fits true to size
    • New Balance: fits true to size
    • If between sizes: size up at the brand that runs smaller, or use the fit checker below for a personalised recommendation.

    Brand guide

    Compare how Adidas and New Balance usually fit, where cuts feel slimmer or roomier, and which categories are 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.

    The Verdict

    Adidas sizing compared to New Balance: Adidas fits true to size while New Balance fits true to size. Here is how the sizes translate.

    Adidas and New Balance are both generally true to size. Your usual size should work at both brands, though fit can vary by category.

    AdidasTrue to size
    New BalanceTrue to size
    Adidas brand mark

    Adidas

    True to size

    True to size; running shoes run slightly small

    New Balance brand mark

    New Balance

    True to size

    True to size, wide widths available for broader feet

    Category Match-up

    Adidas
    New Balance
    Tops
    True to size

    True to size across most lines. AEROREADY and Techfit run slightly compressive, size up if you prefer a loose fit.

    True to size

    Athletic tops run true to size with a relaxed, comfortable cut.

    Bottoms
    True to size

    Track pants and shorts run true to size. Tiro joggers can run slim through the leg.

    No data for New Balance Bottoms

    Shoes
    Runs small

    Running shoes (Ultraboost, Solarboost) run slightly small. Size up 0.5. Lifestyle sneakers (Stan Smith, Samba) run true.

    True to size

    True to size across most silhouettes (574, 990, 1080). Wide (2E) and Extra Wide (4E) options available, great for broader feet.

    Activewear
    True to size

    Performance tights run true to size with a compressive feel. Size up for comfort.

    True to size

    Performance apparel runs true to size with a comfortable athletic fit.

    Size Conversion Table

    Your SizeAdidasNew Balance
    XXSXXSXXS
    XSXSXS
    SSS
    MMM
    LLL
    XLXLXL
    XXLXXLXXL
    XXXLXXXLXXXL

    * Indicative only. For your personalised size at both brands,

    Common Questions

    Does Adidas run smaller than New Balance?

    Adidas and New Balance both fit true to size, so most shoppers can wear their usual size at either brand. Fit can still vary by category, check tops, bottoms and outerwear individually below.

    Should I size up or down at Adidas vs New Balance?

    Neither, Adidas and New Balance have the same overall sizing tendency. Pick your usual size at both and refer to the category notes below.

    If I'm a Medium at Adidas, what size am I at New Balance?

    Adidas and New Balance have a similar overall sizing tendency, so a Medium at one is usually a Medium at the other. Category fit still varies, use the conversion table below.

    Does Adidas or New Balance fit differently by category?

    Yes, fit varies meaningfully by category. Tops, Shoes, Activewear can each fit differently than the brand's overall tendency suggests. See the Category Match-up section below for per-category guidance.

    Which brand is more accurate to its size chart, Adidas or New Balance?

    Adidas and New Balance both publish official size charts, but real-world fit varies by fabric, cut and category. The ThisFits engine cross-references published charts with shopper fit reports across 197+ brands to predict your size in each.

    What if I'm between sizes at Adidas and New Balance?

    If you're between sizes, Adidas tends to fit closer to the body, so trying the larger size first usually means fewer returns. Always confirm each retailer's return policy before ordering.

    More Comparisons

    Your Personal Size

    See your size in Adidas&New Balance

    Build your fit profile once and see your likely size for Adidas and New Balance, based on your measurements.

    197+ brands · 5 free checks · No account needed