Brand Comparison · 2026

    Citizens of HumanityvsMother Denim, Size Comparison

    Mother Denim tends to run smaller than Citizens of Humanity. If you wear a Medium at Citizens of Humanity, you may need a Large at Mother Denim. For a measurement-based recommendation, use the fit checker.

    Quick Answer

    Citizens of Humanity vs Mother Denim sizing, quick answer

    Mother Denim runs about one size smaller than Citizens of Humanity. If you wear a Medium at Citizens of Humanity, you'll likely need a Large at Mother Denim. For an exact recommendation, build a free fit profile.

    • Citizens of Humanity: fits true to size
    • Mother Denim: 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 Citizens of Humanity and Mother Denim 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

    Citizens of Humanity sizing compared to Mother Denim: Citizens of Humanity fits true to size while Mother Denim runs small. Here is how the sizes translate.

    Mother Denim tends to run smaller than Citizens of Humanity. If you wear a Medium at Citizens of Humanity, you may need a Large at Mother Denim. For a measurement-based recommendation, use the fit checker.

    Citizens of HumanityTRUE TO SIZE
    Mother DenimRUNS SMALL
    Citizens of Humanity logo

    Citizens of Humanity

    TRUE TO SIZE

    Citizens of Humanity fits true to size overall. Relaxed and boyfriend cuts like the Emerson run generous, size down for a closer fit in those styles. High-rise and skinny styles are reliably TTS.

    Mother Denim logo

    Mother Denim

    RUNS SMALL

    Mother denim runs small with a high-stretch fabric. Size up one.

    Category Match-up

    Citizens of Humanity
    Mother Denim
    Bottoms
    TRUE TO SIZE

    True to size in structured styles. Size down in relaxed and vintage cuts if you prefer a closer fit.

    RUNS SMALL

    Runs small. High-stretch but fitted, size up one.

    Size Conversion Table

    Your SizeCitizens of HumanityMother Denim
    XXSXXSXS(Runs Small)
    XSXSS(Runs Small)
    SSM(Runs Small)
    MML(Runs Small)
    LLXL(Runs Small)
    XLXLXXL(Runs Small)
    XXLXXLXXXL(Runs Small)
    XXXLXXXLXXXL+(Runs Small)

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

    Common Questions

    Does Citizens of Humanity run smaller than Mother Denim?

    Mother Denim runs about one size smaller than Citizens of Humanity. If you wear a Medium at Citizens of Humanity, you'll likely need a Large at Mother Denim. For an exact recommendation, build a free fit profile.

    Should I size up or down at Citizens of Humanity vs Mother Denim?

    Size up one at Mother Denim compared to Citizens of Humanity. Mother Denim runs smaller, so if you wear a Medium at Citizens of Humanity, try a Large at Mother Denim, especially for fitted tops and tailored bottoms.

    If I'm a Medium at Citizens of Humanity, what size am I at Mother Denim?

    Since Mother Denim runs smaller than Citizens of Humanity, a Medium at Citizens of Humanity is roughly equivalent to a Large at Mother Denim. Use the ThisFits fit checker for a recommendation based on your measurements.

    Does Citizens of Humanity or Mother Denim fit differently by category?

    Yes, fit varies meaningfully by category. 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, Citizens of Humanity or Mother Denim?

    Citizens of Humanity and Mother Denim 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 Citizens of Humanity and Mother Denim?

    If you're between sizes, Mother Denim 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 Citizens of Humanity&Mother Denim

    Build your fit profile once and see your likely size for Citizens of Humanity and Mother Denim, based on your measurements.

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