Brand Comparison · 2026

    FramevsMother Denim, Size Comparison

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

    Quick Answer

    Frame vs Mother Denim sizing, quick answer

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

    • Frame: 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 Frame 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

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

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

    FrameTRUE TO SIZE
    Mother DenimRUNS SMALL
    Frame logo

    Frame

    TRUE TO SIZE

    Frame fits true to size for most styles. Skinny and high-waisted cuts can run slightly snug, size up half if between sizes in those styles. Stretch blends conform to your body comfortably.

    Mother Denim logo

    Mother Denim

    RUNS SMALL

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

    Category Match-up

    Frame
    Mother Denim
    Tops
    TRUE TO SIZE

    True to size. Relaxed French-inspired cuts.

    No data for Mother Denim Tops

    Bottoms
    TRUE TO SIZE

    True to size for most styles. Skinny and high-waisted cuts can run slightly snug, size up half if between sizes.

    RUNS SMALL

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

    Size Conversion Table

    Your SizeFrameMother 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 Frame run smaller than Mother Denim?

    Mother Denim runs about one size smaller than Frame. If you wear a Medium at Frame, 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 Frame vs Mother Denim?

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

    If I'm a Medium at Frame, what size am I at Mother Denim?

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

    Does Frame 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, Frame or Mother Denim?

    Frame 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 Frame 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

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