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01 Replacement

The Karhu Fusion 4.5 was replaced by the Karhu Fusion 5.0

Want something different? The closest current shoe from another family is the New Balance 1080 v15, 44% similar on published specs.

Same family

The current version of the Karhu Fusion line. Compared with the Karhu Fusion 4.5: the same drop.

±0mm drop
44% Spec similarityRRP —

Why the New Balance 1080 v15

Compared with the Karhu Fusion 4.5: the same drop. Both are in our daily trainer category.

±0mm drop
SpecKarhu Fusion 4.5New Balance 1080 v15
Heel stack—39.9 mm
Drop6 mm6 mm
Weight——
02 Alternatives

3 more current options

Next closest current shoes from other families, scored on heel stack, drop, weight and category. Chips show each one against the Karhu Fusion 4.5.

03 FAQ

Karhu Fusion 4.5: questions

Answers are generated from the published specs on this page. Missing values are left out, never estimated.

What replaced the Karhu Fusion 4.5?

The Karhu Fusion 5.0 is the current version of the Karhu Fusion line.

What is the closest alternative to the Karhu Fusion 4.5 from another brand?

On published specs, the New Balance 1080 v15, at 44% spec similarity. Compared with the Karhu Fusion 4.5: the same drop. Both are in our daily trainer category.

How is the Karhu Fusion 5.0 different from the Karhu Fusion 4.5?

On published specs, going from the Karhu Fusion 4.5 to the Karhu Fusion 5.0: the same drop. Heel stack and weight are not published for both shoes, so they are not compared.

Is the Karhu Fusion 4.5 still available?

Trova lists the Karhu Fusion 4.5 as discontinued; the current version of the Karhu Fusion line is the Karhu Fusion 5.0. We don't track retailer stock, so this is not a statement about whether any shop still has pairs.

What are the specs of the Karhu Fusion 4.5?

Published specs for the Karhu Fusion 4.5: 6 mm drop. It is a neutral road shoe in our daily trainer category.

Full spec sheet and version history for the Karhu Fusion 4.5.

Karhu Fusion 4.5 specs →