Brand Comparison · 2026

    GapvsBanana Republic, Size Comparison

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

    Quick Answer

    Gap vs Banana Republic sizing, quick answer

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

    • Gap: runs large
    • Banana Republic: fits true to size
    • 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 Gap and Banana Republic 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

    Gap sizing compared to Banana Republic: Gap runs large while Banana Republic fits true to size. Here is how the sizes translate.

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

    GapRUNS LARGE
    Banana RepublicTRUE TO SIZE
    Gap logo

    Gap

    RUNS LARGE

    Vanity sizing, tends to run larger than European brands

    Banana Republic logo

    Banana Republic

    TRUE TO SIZE

    True to size with tailored, structured cuts

    Category Match-up

    Gap
    Banana Republic
    Tops
    RUNS LARGE

    Vanity sizing is common. Often runs larger than European brands.

    TRUE TO SIZE

    True to size with structured shoulders. Fitted styles are genuinely fitted, no need to size up.

    Bottoms
    RUNS LARGE

    Generous fit in the hips and thighs. Gap denim tends to run larger than most European brands.

    TRUE TO SIZE

    True to size. Sloan pants run with a tailored seat, check inseam length as options vary.

    Dresses

    No data for Gap Dresses

    TRUE TO SIZE

    Generally true to size. Wrap dresses allow some flexibility.

    Size Conversion Table

    Your SizeGapBanana Republic
    XXS<XXS(Runs Large)XXS
    XSXXS(Runs Large)XS
    SXS(Runs Large)S
    MS(Runs Large)M
    LM(Runs Large)L
    XLL(Runs Large)XL
    XXLXL(Runs Large)XXL
    XXXLXXL(Runs Large)XXXL

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

    Common Questions

    Does Gap run smaller than Banana Republic?

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

    Should I size up or down at Gap vs Banana Republic?

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

    If I'm a Medium at Gap, what size am I at Banana Republic?

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

    Does Gap or Banana Republic 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, Gap or Banana Republic?

    Gap and Banana Republic 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 Gap and Banana Republic?

    If you're between sizes, Banana Republic 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 Gap&Banana Republic

    Build your fit profile once and see your likely size for Gap and Banana Republic, based on your measurements.

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