Birkenstock Classic Fit Details

Birkenstocks are available in Regular (R) or Narrow (N) widths. Regular is suitable for people with regular to wide feet, while Narrow is suitable for people with Narrow feet. We recommend opting for Regular if you are unsure.

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 your size

Footbed Length (CM)  Euro AUS/US Footbed Width REG (MM) Footbed Width NAR (MM)
22 34 3.5/3 87 83
22.5 35 4.5/4 89 85
23 36 5.5/5 91 87
24 37 6.5/6 93 89
24.5 38 7.5/7 95 91
25 39 8.5/8 97 93
26 40 9.5/9 99 95
26.5 41 10.5/10 101 97
27 42 11.5/11 102 99
28 43 12.5/12 103 101
28.5 44 13.5/13 107 103
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
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

Most Birkenstock styles are available in 'regular' or 'narrow' width.

Narrow width is suitable for narrow to slender feet.

Regular width is suitable for normal to wide feet.

If you already own a pair of Birkenstocks or are trying them on in store - check out the little foot symbol on the footbed. If the foot is coloured in, it's a narrow (N). If it's just an outline of a foot, it's a regular (R).

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100% of reviewers would recommend this product to a friend
2 Reviews
Reviewed by Cheryl T.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

Excellent Service

Great shoe. Just as I expected!

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Reviewed by Michelle R.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

As good as the Arran Birkenstock

I am a big fan of Birkenstocks and their wide toe box. I already have a pair of their white Arran Shoes and when these Islay showed up in my search I knew I would love them just as much for those outfits that required a more neutral toning. I did find a have to get a size up from the Arran due to the height around the toes (I have a turned up toe nail that makes it tricky sometimes) but the bigger size was perfect. Always love buying from bstore. Fantastic service and wonderful products. A winning combination.

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