La Sportiva Mutant

La Sportiva Mutant review: what runners say

Fit

Narrow fit, suited to narrow feet. Consistent consensus: size up half a size, sometimes a full size for wide or normal feet.

Feel

Injected EVA midsole: firm response, ground feel clearly transmitted underfoot. Adequate cushioning for medium-to-long distances, not for extended hard surfaces.

Durability

5–6 mm FriXion lugs with minimal wear after 200 miles on soft terrain. Solid upper. Some sources flag potential accelerated outsole wear on abrasive terrain.

Best for

Technical, muddy, and unstable terrain, short-to-medium distances. Not recommended for packed trail, asphalt, or long distances on hard surfaces.

Weak points

Heavy for the racing category. Narrow toe box penalizes wide-footed runners. Laces not always securely retained in the side-pocket lacing system.

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