Birko-Flor®

Birko-Flor® is a durable and easy to clean synthetic material, made to sit comfortably against the skin and used exclusively by Birkenstock.

Sustainable Cork

The Birkenstock cork footbed is legendary, not only for its comfort and support, though also for its sustainability. The cork is responsibly sourced from the outer layer of the cork oak tree. Sections of the thick bark are carefully removed without harming the tree, allowing it to regenerate and be re-harvested every 7-9 years. A single cork oak tree can produce 100 - 200 kg of cork in its lifetime!

Footbed Features

The anatomical design of the Birkenstock footbed follows the natural contours of your feet to strengthen, support, activate, stabilise and align. Boasting features such as a raised footbed edge, toe grip bar, arch support (including transverse, metatarsal, interior and exterior longitudinal arch support), heel mould, deep heel cup, and plenty of toe room, it's no wonder the humble Birk is coveted the world over.

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Birkenstock Classic Fit Details

This Birkenstock runs true to size. We recommend sticking with your usual size and refer to the Size Guide if you are unsure.

This Birkenstock provides support features including longitudinal, metatarsal and transverse arch support, a heel cup and mold, and raised toe bar for basic orthotic support.

Birkenstock Classic Size Guide

How to Find you size

Step 1

Stand on a level floor with your heel up against the wall or straight edge.

Step 2

Place a ruler or measuring tape on the floor under your foot or alongside it, with your heel at 0cm.

Step 3

Measure the length of your foot from your heel to the end of your longest toe (yes, even if it's your second toe).

Step 4

Measure both feet and go with the length of your longest foot if they are different.

Step 5

Add 10mm to your foot length to allow your foot room to move. This will give you the footbed length you need to find your size.

Step 6

Check out the size charts below to find your size in EU (all Birkenstock sizes are listed in EU).

Step 7

Measure the width of your foot across the broadest point. Compare your foot width measurement to the footbed width in your size to see if you will need a narrow or regular width. (If you are in between sizes, we recommend going for the larger size)
Footbed Length (CM)  Euro AUS/US Footbed Width REG (MM) Footbed Width NAR (MM)
22 34 3-3.5 87 83
22.5 35 4-4.5 89 85
23 36 5-5.5 91 87
24 37 6-6.5 93 89
24.5 38 7-7.5 95 91
25 39 8-8.5 97 93
26 40 9-9.5 99 95
26.5 41 10-10.5 101 97
27 42 11-11.5 102 99
28 43 12-12.5 103 101
28.5 44 13-13.5 107 103

How to Find you size

Step 1

Stand on a level floor with your heel up against the wall or straight edge.

Step 2

Place a ruler or measuring tape on the floor under your foot or alongside it, with your heel at 0cm.

Step 3

Measure the length of your foot from your heel to the end of your longest toe (yes, even if it's your second toe).

Step 4

Measure both feet and go with the length of your longest foot if they are different.

Step 5

Add 10mm to your foot length to allow your foot room to move. This will give you the footbed length you need to find your size.

Step 6

Check out the size charts below to find your size in EU (all Birkenstock sizes are listed in EU).

Step 7

Measure the width of your foot across the broadest point. Compare your foot width measurement to the footbed width in your size to see if you will need a narrow or regular width. (If you are in between sizes, we recommend going for the larger size)
Footbed Length (CM) Euro US Footbed Width REG (MM) Footbed Width NAR (MM)
24 37 4-4.5 93 89
24.5 38 5-5.5 95 91
25 39 6-6.5 97 93
26 40 7-7.5 99 95
26.5 41 8-8.5 101 97
27 42 9-9.5 102 99
28 43 10-10.5 103 101
28.5 44 11-11.5 107 103
29 45 12-12.5 109 105
29.5 46 13-13.5 113 107
30.5 47 14-14.5 115 109
31 48 15-15.5 117 111
31.5 49 16-16.5 119 113
32.5 50 17-17.5 121 115

How to Find you size

Step 1

Stand on a level floor with your heel up against the wall or straight edge.

Step 2

Place a ruler or measuring tape on the floor under your foot or alongside it, with your heel at 0cm.

Step 3

Measure the length of your foot from your heel to the end of your longest toe (yes, even if it's your second toe).

Step 4

Measure both feet and go with the length of your longest foot if they are different.

Step 5

Add 10mm to your foot length to allow your foot room to move. This will give you the footbed length you need to find your size.

Step 6

Check out the size charts below to find your size in EU (all Birkenstock sizes are listed in EU).

Step 7

Measure the width of your foot across the broadest point. Compare your foot width measurement to the footbed width in your size to see if you will need a narrow or regular width. (If you are in between sizes, we recommend going for the larger size)
Footbed Length (CM) Euro AUS/US Footbed Width REG (MM) Footbed Width NAR (MM)
15 24 6-6.5 67 63
16 25 7-7.5 69 65
16.5 26 8-8.5 71 67
17 27 9-9.5 73 69
18 28 10-10.5 75 71
18.5 29 11-11.5 77 73
19 30 12-12.5 79 75
20 31 13-13.5 81 77
20.5 32 1-1.5 83 79
21 33 2-2.5 85 81
22 34 3-3.5 87 83

How to Find you size

Step 1

Stand on a level floor with your heel up against the wall or straight edge.

Step 2

Place a ruler or measuring tape on the floor under your foot or alongside it, with your heel at 0cm.

Step 3

Measure the length of your foot from your heel to the end of your longest toe (yes, even if it's your second toe).

Step 4

Measure both feet and go with the length of your longest foot if they are different.

Step 5

Add 10mm to your foot length to allow your foot room to move. This will give you the footbed length you need to find your size.

Step 6

Check out the size charts below to find your size in EU (all Birkenstock sizes are listed in EU).

Step 7

Measure the width of your foot across the broadest point. Compare your foot width measurement to the footbed width in your size to see if you will need a narrow or regular width. (If you are in between sizes, we recommend going for the larger size)
US/AU Size UK Size EU Sizes
M4 | W6 M3 | W4 36-37
M5 | W7 M4 | W5 37-38
M6 | W8 M5 | W6 38-39
M7 | W9 M6 | W7 39-40
M8 | W10 M7 | W8 41-42
M9 | W11 M8 | W9 42-43
M10 | W12 M9 | W10 43-44
11 10 45-46
12 11 46-47
13 12 48-49
14 13 49-50
15 14 50-51
16 15 51-52
17 16 52-53
Most Birkenstock styles are available in Regular or Narrow Width. The Narrow fits Narrow feet. The Regular fits Regular to Wider width feet. About 80% of the population are suited to the Regular fit. If you already own a pair of Birkenstocks or are trying them on in store - check out the little foot symbol on the footbed of the shoe (between the arch and heel) or on the shoe box. If the foot is coloured in, it is a Narrow (N). If it is just an outline of a foot, it is a Regular (R).