Sperry Men's Billfish 3-Eye Boat Shoe size guide
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Our tool compares official Sperry size charts to find your perfect size. No measuring needed.
Does the Sperry Men's Billfish 3-Eye Boat Shoe run small or large?
1 owners of the Sperry Men's Billfish 3-Eye Boat Shoe have reported their size so far, including EU 42. We hold off on fit guidance until enough have reported for it to mean something.
Sperry has not published a size chart for the Sperry Men's Billfish 3-Eye Boat Shoe. What you see above is the brand's general chart, which covers the whole range rather than this model.
Official Sperry Size Chart for Men's Billfish 3-Eye Boat Shoe
This chart covers EU 39 to EU 48, which is feet from 24.7 cm to 31.5 cm long.
This is the official brand-wide Sperry size chart. Sperry uses the same chart for the Sperry Men's Billfish 3-Eye Boat Shoe as for its other models.
Source:
the manufacturer's size guide
Fetched 2026-09-15 02:18:32
| Foot Length | UK | EU | US |
|---|---|---|---|
| 24.7 - 25.0 cm | 6 | 39 | 7 |
| 25.0 - 25.5 cm | 6.5 | 40 | 7.5 |
| 25.5 - 26.0 cm | 7 | 41 | 8 |
| 26.0 - 26.5 cm | 7.5 | 41.5 | 8.5 |
| 26.5 - 27.0 cm | 8 | 42 | 9 |
| 27.0 - 27.5 cm | 8.5 | 42.5 | 9.5 |
| 27.5 - 27.9 cm | 9 | 43 | 10 |
| 27.9 - 28.5 cm | 9.5 | 44 | 10.5 |
| 28.5 - 29.0 cm | 10 | 44.5 | 11 |
| 29.0 - 29.5 cm | 10.5 | 45 | 11.5 |
| 29.5 - 30.0 cm | 11 | 46 | 12 |
| 30.0 - 30.5 cm | 11.5 | 46.5 | 12.5 |
| 30.5 - 31.0 cm | 12 | 47.5 | 13 |
| 31.0 - 31.5 cm | 12.5 | 48 | 14 |
Sperry publishes this chart as foot length, so the lengths above are the foot each size fits and we use them as published.
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Last updated: 2026-09-15 02:18:32