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Karhu FUSION 2.0 size guide

JET BLACK / NINE IRON

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

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One person owns this shoe Most common sizes: EU 42.5

Does the Karhu FUSION 2.0 run small or large?

1 owners of the Karhu FUSION 2.0 have reported their size so far, including EU 42.5. We hold off on fit guidance until enough have reported for it to mean something.

Karhu has not published a size chart for the Karhu FUSION 2.0. What you see above is the brand's general chart, which covers the whole range rather than this model.

Official Karhu Size Chart for FUSION 2.0

This chart covers EU 35 to EU 49, which is feet from 22.7 cm to 31 cm long.

This is the official brand-wide Karhu size chart. Karhu uses the same chart for the Karhu FUSION 2.0 as for its other models.

Source: the manufacturer's size guide
Fetched 2026-11-08 15:39:29

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US is not available for this shoe yet, so this is UK.

Official Karhu Size Chart for FUSION 2.0
Foot Length UK EU US Women US Men
22.7 - 23.0 cm 3 35 5.5 4
23.0 - 23.4 cm 3.5 36 6 4.5
23.4 - 23.8 cm 4 37 6.5 5
23.8 - 24.3 cm 4.5 38 7 5.5
24.3 - 24.6 cm 5 39 7.5 6
24.6 - 25.1 cm 5.5 39.5 8 6.5
25.1 - 25.5 cm 6 40 8.5 7
25.5 - 25.9 cm 6.5 40.5 9 7.5
25.9 - 26.3 cm 7 41.5 9.5 8
26.3 - 26.8 cm 7.5 42 10 8.5
26.8 - 27.2 cm 8 42.5 10.5 9
27.2 - 27.6 cm 8.5 43.5 11 9.5
27.6 - 28.0 cm 9 44 11.5 10
28.0 - 28.5 cm 9.5 44.5 12 10.5
28.5 - 28.9 cm 10 45 12.5 11
28.9 - 29.3 cm 10.5 46 13 11.5
29.3 - 29.7 cm 11 46.5 - 12
29.7 - 30.1 cm 11.5 47 - 12.5
30.1 - 30.6 cm 12 48 - 13
30.6 - 31.0 cm 13 49 - 14

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

EU 35 EU 36 EU 37 EU 38 EU 39 EU 39.5 EU 40 EU 40.5 EU 41.5 EU 42 EU 42.5 EU 43.5 EU 44 EU 44.5 EU 45 EU 46 EU 46.5 EU 47 EU 48 EU 49

Frequently Asked Questions

Our chart for the Karhu FUSION 2.0 runs large against standard sizing, so a smaller size than usual is likely to fit.

Your Karhu FUSION 2.0 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 Karhu size.

No, the Karhu FUSION 2.0 runs large compared to standard Karhu sizing. Consider ordering half a size down.

Use the size chart above to convert between EU, US and UK sizes for Karhu FUSION 2.0. 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: 2026-11-08 15:39:29