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Birkenstock: real vs fake

Every Birkenstock checkpoint on this site states a measurement, an accept range and how we arrived at it. No comparison photos we didn't shoot, no certificates.

Real vs fake guides
Fake Birkenstocks: Real vs Fake Footbed Stamp, Buckles, Sole 14 measured checks
Checkpoints covered
  • Footbed length stamp 265 mm printed beside the EU size on a 41; 225 on a 35, 300 on a 46
  • L and M size codes L10 M8 US women's and men's sizes printed on an EU 41; L equals EU minus 31, M equals EU minus 33
  • Width footprint symbol 2 possible marks: an outlined footprint for regular width, a filled footprint for narrow
  • Article number 051791 six-digit box code for the Arizona Birko-Flor in black, regular width; 051793 is the narrow twin
  • Buckle engraving 6 letters, BIRKEN, on the buckle of a Gizeh in sizes 35 to 40; 11 letters, BIRKENSTOCK, from 41 up
  • Footbed print colour 5 documented print colours across the range; one colour per footbed type
  • Sole Birk mark 4 letters, Birk, molded into the outsole tread at several points
  • Country stamp 1 accepted origin line on a classic sandal footbed: MADE IN GERMANY
  • Strap wordmark 11 letters, BIRKENSTOCK, debossed into the inner face of the wide strap
  • Footbed layers 4 layers in the original footbed: jute base, cork and latex core, jute side wrap, suede lining
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