Brand Comparison · 2026

    AdidasvsPatagonia, Size Comparison

    Adidas tends to run smaller than Patagonia. If you wear a Medium at Patagonia, you may need a Large at Adidas. For a measurement-based recommendation, use the fit checker.

    Quick Answer

    Adidas vs Patagonia sizing, quick answer

    Adidas runs about one size smaller than Patagonia. If you wear a Medium at Patagonia, you'll likely need a Large at Adidas. For an exact recommendation, build a free fit profile.

    • Adidas: fits true to size
    • Patagonia: runs large
    • 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 Patagonia 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 Patagonia: Adidas fits true to size while Patagonia runs large. Here is how the sizes translate.

    Adidas tends to run smaller than Patagonia. If you wear a Medium at Patagonia, you may need a Large at Adidas. For a measurement-based recommendation, use the fit checker.

    AdidasTRUE TO SIZE
    PatagoniaRUNS LARGE
    Adidas logo

    Adidas

    TRUE TO SIZE

    True to size; running shoes run slightly small

    Patagonia logo

    Patagonia

    RUNS LARGE

    Outdoor heritage, runs large with relaxed fits

    Category Match-up

    Adidas
    Patagonia
    Tops
    TRUE TO SIZE

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

    RUNS LARGE

    Flannel shirts and tees run large with a relaxed fit. Size down for a more fitted look.

    Bottoms
    TRUE TO SIZE

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

    RUNS LARGE

    Pants run large through the seat and thigh. Size down 1 for a standard fit.

    Outerwear

    No data for Adidas Outerwear

    RUNS LARGE

    Fleeces and jackets run large. Size down 1 for a trim fit, or stay true for layering.

    Shoes
    RUNS SMALL

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

    No data for Patagonia Shoes

    Activewear
    TRUE TO SIZE

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

    No data for Patagonia Activewear

    Size Conversion Table

    Your SizeAdidasPatagonia
    XXSXXS<XXS(Runs Large)
    XSXSXXS(Runs Large)
    SSXS(Runs Large)
    MMS(Runs Large)
    LLM(Runs Large)
    XLXLL(Runs Large)
    XXLXXLXL(Runs Large)
    XXXLXXXLXXL(Runs Large)

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

    Common Questions

    Does Adidas run smaller than Patagonia?

    Adidas runs about one size smaller than Patagonia. If you wear a Medium at Patagonia, you'll likely need a Large at Adidas. For an exact recommendation, build a free fit profile.

    Should I size up or down at Adidas vs Patagonia?

    Size up one at Adidas compared to Patagonia. Adidas runs smaller, so if you wear a Medium at Patagonia, try a Large at Adidas, especially for fitted tops and tailored bottoms.

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

    Since Adidas runs smaller than Patagonia, a Medium at Adidas is roughly equivalent to a Small at Patagonia. Use the ThisFits fit checker for a recommendation based on your measurements.

    Does Adidas or Patagonia fit differently by category?

    Yes, fit varies meaningfully by category. Tops, Bottoms 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 Patagonia?

    Adidas and Patagonia 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 Patagonia?

    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.

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    Your Personal Size

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