Brand Comparison · 2026

    COSvsAcne Studios, Size Comparison

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

    Quick Answer

    COS vs Acne Studios sizing, quick answer

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

    • COS: runs large
    • Acne Studios: runs small
    • 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 COS and Acne Studios 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

    COS sizing compared to Acne Studios: COS runs large while Acne Studios runs small. Here is how the sizes translate.

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

    COSRUNS LARGE
    Acne StudiosRUNS SMALL
    COS logo

    COS

    RUNS LARGE

    Minimalist Scandi, runs large with generous, architectural silhouettes

    Acne Studios logo

    Acne Studios

    RUNS SMALL

    Acne Studios runs small with a Scandinavian minimalist fit. Size up one.

    Category Match-up

    COS
    Acne Studios
    Tops
    RUNS LARGE

    Runs large. Relaxed, drapey cuts, size down one for a closer fit.

    RUNS SMALL

    Runs small. Fitted Scandinavian proportions, size up one.

    Bottoms
    TRUE TO SIZE

    True to size. Wide-leg styles are intentionally roomy.

    RUNS SMALL

    Runs small. Denim is especially snug, size up one.

    Dresses
    RUNS LARGE

    Runs large. Architectural volume, size down one.

    No data for Acne Studios Dresses

    Outerwear
    RUNS LARGE

    Runs large. Oversized by design, size down one for a standard fit.

    No data for Acne Studios Outerwear

    Size Conversion Table

    Your SizeCOSAcne Studios
    XXS<XXS(Runs Large)XS(Runs Small)
    XSXXS(Runs Large)S(Runs Small)
    SXS(Runs Large)M(Runs Small)
    MS(Runs Large)L(Runs Small)
    LM(Runs Large)XL(Runs Small)
    XLL(Runs Large)XXL(Runs Small)
    XXLXL(Runs Large)XXXL(Runs Small)
    XXXLXXL(Runs Large)XXXL+(Runs Small)

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

    Common Questions

    Does COS run smaller than Acne Studios?

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

    Should I size up or down at COS vs Acne Studios?

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

    If I'm a Medium at COS, what size am I at Acne Studios?

    Since Acne Studios runs smaller than COS, a Medium at COS is roughly equivalent to a Large at Acne Studios. Use the ThisFits fit checker for a recommendation based on your measurements.

    Does COS or Acne Studios 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, COS or Acne Studios?

    COS and Acne Studios 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 COS and Acne Studios?

    If you're between sizes, Acne Studios 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 COS&Acne Studios

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