Brand Comparison · 2026

    Le 31vsBirkenstock, Size Comparison

    Le 31 tends to run smaller than Birkenstock. If you wear a Medium at Birkenstock, you may need a Large at Le 31. For a measurement-based recommendation, use the fit checker.

    Quick Answer

    Le 31 vs Birkenstock sizing, quick answer

    Le 31 runs about one size smaller than Birkenstock. If you wear a Medium at Birkenstock, you'll likely need a Large at Le 31. For an exact recommendation, build a free fit profile.

    • Le 31: fits true to size
    • Birkenstock: 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 Le 31 and Birkenstock 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

    Le 31 sizing compared to Birkenstock: Le 31 fits true to size while Birkenstock runs large. Here is how the sizes translate.

    Le 31 tends to run smaller than Birkenstock. If you wear a Medium at Birkenstock, you may need a Large at Le 31. For a measurement-based recommendation, use the fit checker.

    Le 31TRUE TO SIZE
    BirkenstockRUNS LARGE
    Le 31 logo

    Le 31

    TRUE TO SIZE

    Simons' men's line, classic cuts, true to size

    Birkenstock logo

    Birkenstock

    RUNS LARGE

    German footbed, runs large; size down from US size

    Category Match-up

    Le 31
    Birkenstock
    Tops
    TRUE TO SIZE

    Men's classic cuts, true to size.

    No data for Birkenstock Tops

    Bottoms
    TRUE TO SIZE

    Men's standard sizing, true to size.

    No data for Birkenstock Bottoms

    Outerwear
    TRUE TO SIZE

    Classic outerwear, true to size with room for layering.

    No data for Birkenstock Outerwear

    Shoes

    No data for Le 31 Shoes

    RUNS LARGE

    Birkenstock uses European sizing. Most US shoppers need to size down 1. Arizona sandals in Regular width suit medium-wide feet; Narrow width for slim feet.

    Size Conversion Table

    Your SizeLe 31Birkenstock
    XXSXXS<XXS(Runs Large)
    XSXSXXS(Runs Large)
    SSXS(Runs Large)
    MMS(Runs Large)
    LLM(Runs Large)
    XLXLL(Runs Large)
    XXLXXLXL(Runs Large)
    XXXLXXXLXXL(Runs Large)

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

    Common Questions

    Does Le 31 run smaller than Birkenstock?

    Le 31 runs about one size smaller than Birkenstock. If you wear a Medium at Birkenstock, you'll likely need a Large at Le 31. For an exact recommendation, build a free fit profile.

    Should I size up or down at Le 31 vs Birkenstock?

    Size up one at Le 31 compared to Birkenstock. Le 31 runs smaller, so if you wear a Medium at Birkenstock, try a Large at Le 31, especially for fitted tops and tailored bottoms.

    If I'm a Medium at Le 31, what size am I at Birkenstock?

    Since Le 31 runs smaller than Birkenstock, a Medium at Le 31 is roughly equivalent to a Small at Birkenstock. Use the ThisFits fit checker for a recommendation based on your measurements.

    Does Le 31 or Birkenstock fit differently by category?

    Le 31 and Birkenstock cover different categories, so direct category comparisons are limited. Use the overall tendency as your starting point.

    Which brand is more accurate to its size chart, Le 31 or Birkenstock?

    Le 31 and Birkenstock 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 Le 31 and Birkenstock?

    If you're between sizes, Le 31 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 Le 31&Birkenstock

    Build your fit profile once and see your likely size for Le 31 and Birkenstock, based on your measurements.

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    Your size in both brands