ASICS Metaspeed Sky

Price$250

Weight7.5oz / 213g

Drop2mm

TypeCarbon, Running

Stack height40mm / 32mm

Pros & cons

✓ What testers liked

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Above-average energy return in independent lab testing, around 74–75%.
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Notably lighter than the Alphafly 2, with a more responsive feel.
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Widened plate and a redesigned molded sock liner cut down on the arch irritation the previous version was known for.
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Continuous outsole geometry smooths out the heel-to-toe transition versus the segmented sole on earlier versions.
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Measured stack sits under the 40mm competition limit, so it's legal for sanctioned racing.

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✕ Where it falls short

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A serious investment at $275-295, out of reach for casual racers.
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Narrow, low-volume toebox runs small for some testers; one reviewer noted bruised toenails.
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The tall 40mm stack may not suit runners with Achilles or calf sensitivity.
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A handful of owners report an audible squeak during runs.
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Firmer and less "magical" underfoot than the hype suggests, especially next to the Vaporfly 3.

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Community reviews

4.7