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Please click on the links below to open a printable PDF sizing chart.
When you have printed the pages, place your foot on the image and you
will know you're correct Willi size!
Men's Thong's Sizing Chart - sizes 8, 9, 10
Men's Thong's Sizing Chart - sizes 11, 12, 13
Women's Thong's Sizing Chart - sizes 5, 6, 7
Women's Thong's Sizing Chart - sizes 8, 9, 10
The womens styles are a narrow fit. If you have a wider foot, we recommend that you go up 1 size as they have
firm fitting foot straps.
Willi Thong / Flip Flop Sizing Chart
All care has been taken to create this conversion chart.
Please note that conversion charts differ significantly across the internet.
We have created this chart based on our own research and experience.
We have scaled our chart on the ‘Standard (FIA) Scale’
MENS - Willi thongs are US sizing
Please note - Willi thong / flip flop measurement is taken from the top sole.
US size | 8 | 9 | 10 | 11 | 12 | 13 | EUROPEAN size | 40.5 | 42 | 43 | 44.5 | 46 | 47 | Willi thong / flip flop measurement (approximate mm) |
260mm |
272mm |
283mm |
288mm |
299mm |
309mm |
WOMENS - Willi thongs are US sizing
Please note - Willi thong / flip flop measurement is taken from the top sole.
US size | 5 | 6 | 7 | 8 | 9 | 10 | EUROPEAN size | 35.5 | 37 | 38 | 39.5 | 40.5 | 42 | Willi thong / flip flop measurement (approximate mm) |
224mm
|
233mm
|
244mm
|
255mm
|
265mm
|
275mm
|
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