Brand Comparison · 2026

    I.OWNvsContemporaine, Size Comparison

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

    Quick Answer

    I.OWN vs Contemporaine sizing, quick answer

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

    • I.OWN: fits true to size
    • Contemporaine: 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 I.OWN and Contemporaine 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

    I.OWN sizing compared to Contemporaine: I.OWN fits true to size while Contemporaine runs small. Here is how the sizes translate.

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

    I.OWNTRUE TO SIZE
    ContemporaineRUNS SMALL
    I.OWN logo

    I.OWN

    TRUE TO SIZE

    Simons' elevated basics line, clean cuts, true to size

    Contemporaine logo

    Contemporaine

    RUNS SMALL

    Simons' fashion-forward line, tailored fits, size up

    Category Match-up

    I.OWN
    Contemporaine
    Tops
    TRUE TO SIZE

    Clean minimal cuts, true to size.

    RUNS SMALL

    Tailored tops, runs small, size up one.

    Bottoms
    TRUE TO SIZE

    Modern basics, true to sizing.

    RUNS SMALL

    Tailored bottoms, runs small through the hip.

    Dresses

    No data for I.OWN Dresses

    RUNS SMALL

    Structured dresses, runs small, size up.

    Size Conversion Table

    Your SizeI.OWNContemporaine
    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 I.OWN run smaller than Contemporaine?

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

    Should I size up or down at I.OWN vs Contemporaine?

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

    If I'm a Medium at I.OWN, what size am I at Contemporaine?

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

    Does I.OWN or Contemporaine 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, I.OWN or Contemporaine?

    I.OWN and Contemporaine 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 I.OWN and Contemporaine?

    If you're between sizes, Contemporaine 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 I.OWN&Contemporaine

    Build your fit profile once and see your likely size for I.OWN and Contemporaine, based on your measurements.

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    Your size in both brands