What's the difference between birkibuc, birkoflor, nubuck & plain ol birkenstock shoes? i am so confused!

birkibuc is faux sued, birkoflor is faux leather, nubuck is suede or brushed leather, and plain old birkenstock are made with leather.

Dear Sarah, The "N" & "M" refer to width, N for Narrow, M for Medium. Birkenstock also uses "R" for Regular which is also Medium. The "EURO-METRC" sizing codes can be confusing, many times they will overlap them with US sizing, which can be even more confusing! I hope this helps. Best regards, Don Johnson, JOHNSON'S SHOES AMAZON

What does the M and the R stand for in the sizes? For example, what does 40 R mean?

Birkenstock usually come in two widths. Regular and narrow. Some retailers will say M, medium instead of regular but they are the same thing.

Are these real birkenstocks?

To be perfectly honest with you, I won't know the difference. I wear both and the comfort levels are the same. Whether Betula's or Birkenstocks, I believe you will love them both. I just compared boxes of the Birkenstocks and Betula's in my closet. The information is the same on both. The insole:leather, foot bed:natural cork, upper, Birko-flor, sole:EVA. The same material is used on both and you wouldn't know the difference. I have worn both over 40 years and the comfort is identical. I purchased a black pair, of Mayari, from Zappos and paid over $100. They don't feel any different than the $44 Betula's I purchased from Amazon. They both feel great and who can beat the price at Amazon? Hope this helps.

Birkenstock Arizona Soft Footbed Birko Flor Unisex

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖤 Step into heritage and comfort — where timeless style meets modern ease.

CUSTOMIZABLE FIT - Two individually adjustable straps ensure a personalized, secure fit every time.
EFFORTLESS STYLE - Classic black open-toe design pairs seamlessly with any casual or professional summer look.
ERGONOMIC SUPPORT - Anatomically shaped cork-latex footbed distributes weight evenly, reducing foot fatigue.
PREMIUM MATERIALS - Durable Birko-Flor upper and leather lining offer breathable comfort and long-lasting wear.
TIMELESS CRAFTSMANSHIP - Handmade in Germany with over 200 years of expertise, blending tradition with durability.

The Birkenstock Unisex Arizona Sandal in Black Birko-Flor features two adjustable straps and an anatomically shaped cork-latex footbed, delivering personalized comfort and ergonomic support. Made in Germany since 1774, this sandal combines premium materials with classic design, perfect for professionals seeking both style and all-day wearability.

Specifications

ASIN	B000I68EIQ
ASIN	B0BG9F6QV7
Arch Type	Low Arch
Best Sellers Rank	#118,832 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #188 in Women's Slide Sandals
Brand	Birkenstock
Closure Type	Pull-On
Color	Black (Schwarz Lack)
Customer Reviews	4.6 4.6 out of 5 stars (1,730)
Date First Available	April 22, 2017
Department	unisex-adult
Embellishment Feature	Buckle
Global Trade Identification Number	00736399020274
Heel Type	No Heel, Wedge Heel
Import Designation	Imported
Insole Material	Manmade
Item Weight	8.6 ounces
Manufacturer	Birkenstock
Manufacturer Part Number	N51793/R51791
Material Fabric	Leather
Model Name	Arizona - Birko-flor® (Unisex)
Number of Items	1
Occasion Lifestyle	Casual
Occasion Type	Every Day
Outer Material	Suede Leather
Pattern	Solid
Seasons	Spring/Summer
Shoe Height Map	Low Top
Sole Material	Rubber
Special Features	logos
Specific Uses For Product	Sports
Sport Type	Walking
Strap Type	adjustable-strap
Style Name	Arizona - Birko-flor® (Unisex)
Style Number	N51793/R51791
Subject Character	occupational professional
Theme	Plain
Toe Style	Open Toe
UPC	736399020274
Unit Count	1 Count
Water Resistance Level	Not Water Resistant
lining-description	Leather

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