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Altra Men's Experience Flow 3 size guide

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Our tool compares official Altra size charts to find your perfect size. No measuring needed.

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One person owns this shoe Most common sizes: EU 46.5

Does the Altra Men's Experience Flow 3 run small or large?

1 owners of the Altra Men's Experience Flow 3 have reported their size so far, including EU 46.5. We hold off on fit guidance until enough have reported for it to mean something.

Altra has not published a size chart for the Altra Men's Experience Flow 3. What you see above is the brand's general chart, which covers the whole range rather than this model.

Official Altra Size Chart for Men's Experience Flow 3

This chart covers EU 37 to EU 51.5, which is feet from 21.7 cm to 34 cm long.

This is the official brand-wide Altra size chart. Altra uses the same chart for the Altra Men's Experience Flow 3 as for its other models.

Source missing — we cannot point to the page this chart was published on.
Fetched 2026-09-22 08:26:35

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Official Altra Size Chart for Men's Experience Flow 3
Foot Length UK EU US
21.7 - 22.0 cm 3 37 4
22.0 - 22.5 cm 3.5 37.5 4.5
22.5 - 23.0 cm 4 38 5
23.0 - 23.5 cm 4.5 38.5 5.5
23.5 - 24.0 cm 5 39 6
24.0 - 24.5 cm 5.5 39.5 6.5
24.5 - 25.0 cm 6 40 7
25.0 - 25.5 cm 6.5 40.5 7.5
25.5 - 26.0 cm 7 41 8
26.0 - 26.5 cm 7.5 42 8.5
26.5 - 27.0 cm 8 42.5 9
27.0 - 27.5 cm 8.5 43 9.5
27.5 - 28.0 cm 9 44 10
28.0 - 28.5 cm 9.5 44.5 10.5
28.5 - 29.0 cm 10 45 11
29.0 - 29.5 cm 10.5 46 11.5
29.5 - 30.0 cm 11 46.5 12
30.0 - 30.5 cm 11.5 47 12.5
30.5 - 31.0 cm 12 48 13
31.0 - 32.0 cm 13 49 14
32.0 - 33.0 cm 14 50 15
33.0 - 34.0 cm 15 51.5 16

Altra publishes this chart as foot length, so the lengths above are the foot each size fits and we use them as published.

US 5 (EU 38) 🇺🇸 US 5.5 (EU 38.5) 🇺🇸 US 6 (EU 39) 🇺🇸 US 6.5 (EU 39.5) 🇺🇸 US 7 (EU 40) 🇺🇸 US 7.5 (EU 40.5) 🇺🇸 US 8 (EU 41) 🇺🇸 US 8.5 (EU 42) 🇺🇸 US 9 (EU 42.5) 🇺🇸 US 9.5 (EU 43) 🇺🇸 US 10 (EU 44) 🇺🇸 US 10.5 (EU 44.5) 🇺🇸 US 11 (EU 45) 🇺🇸 US 11.5 (EU 46) 🇺🇸 US 12 (EU 46.5) 🇺🇸 US 12.5 (EU 47) 🇺🇸 US 13 (EU 48) 🇺🇸 US 14 (EU 49) 🇺🇸 US 15 (EU 50) 🇺🇸

Frequently Asked Questions

The Altra Men's Experience Flow 3 runs true to size, so it matches standard sizing.

Your Altra Men's Experience Flow 3 size depends on your foot length and the shoes you currently wear. Use our size finder tool to get a personalized recommendation based on shoes you already own. Alternatively, measure your foot length in cm and use the size chart above to find your Altra size.

Yes, the Altra Men's Experience Flow 3 runs true to size compared to standard Altra sizing. Order your normal size.

Use the size chart above to convert between EU, US and UK sizes for Altra Men's Experience Flow 3. Each size shows the corresponding foot length in mm so you can see what the charts say.

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What the badges mean

Official

The chart comes from the brand. We read it from a page the brand publishes and we link that page so you can check it.

Model specific chart

The brand publishes this chart for this shoe. Sizes on it apply to the shoe you are looking at.

Brand-wide chart

The brand uses one chart across its range. We show it when the shoe has no chart of its own.

Crowdsourced

Sizes reported by people who own this shoe. The number beside it tells you how many.

Last updated: 2026-09-22 08:26:35