Brand Comparison · 2026

    Isabel MarantvsAmi Paris, Size Comparison

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

    Quick Answer

    Isabel Marant vs Ami Paris sizing, quick answer

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

    • Isabel Marant: runs small
    • Ami Paris: 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 Isabel Marant and Ami Paris 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

    Isabel Marant sizing compared to Ami Paris: Isabel Marant runs small while Ami Paris runs large. Here is how the sizes translate.

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

    Isabel MarantRUNS SMALL
    Ami ParisRUNS LARGE
    Isabel Marant logo

    Isabel Marant

    RUNS SMALL

    French bohemian luxury, runs small, narrow shoulders

    Ami Paris logo

    Ami Paris

    RUNS LARGE

    French contemporary, runs large, relaxed Parisian fit

    Category Match-up

    Isabel Marant
    Ami Paris
    Tops
    RUNS SMALL

    Narrow shoulders. Size up 1-2.

    RUNS LARGE

    Runs large. Relaxed oversized silhouettes.

    Dresses
    RUNS SMALL

    French sizing. Size up 1-2.

    No data for Ami Paris Dresses

    Outerwear
    RUNS SMALL

    Slim French cut. Size up 1.

    No data for Ami Paris Outerwear

    Size Conversion Table

    Your SizeIsabel MarantAmi Paris
    XXSXS(Runs Small)<XXS(Runs Large)
    XSS(Runs Small)XXS(Runs Large)
    SM(Runs Small)XS(Runs Large)
    ML(Runs Small)S(Runs Large)
    LXL(Runs Small)M(Runs Large)
    XLXXL(Runs Small)L(Runs Large)
    XXLXXXL(Runs Small)XL(Runs Large)
    XXXLXXXL+(Runs Small)XXL(Runs Large)

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

    Common Questions

    Does Isabel Marant run smaller than Ami Paris?

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

    Should I size up or down at Isabel Marant vs Ami Paris?

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

    If I'm a Medium at Isabel Marant, what size am I at Ami Paris?

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

    Does Isabel Marant or Ami Paris fit differently by category?

    Yes, fit varies meaningfully by category. Tops 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, Isabel Marant or Ami Paris?

    Isabel Marant and Ami Paris 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 Isabel Marant and Ami Paris?

    If you're between sizes, Isabel Marant 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

    See your size in Isabel Marant&Ami Paris

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