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Our verdict

Off-road long distance mile muncher. Comfortable and their best off-road model to date.

  • Positive
  • Fit
  • ON quality
  • Protective
  • Negative
  • What we thought
  • Technical info
  • Runner reviews (0)

First impressions

Another shoe targeting the ultra-runner is this new model from On. An off-road counterpart to the brands Cloudstratus shoe, the ‘ultra’ features a similar dual Cloudtec layer midsole to provide the best cushioning the brand has to offer.


Despite what appears a very deep and technical looking midsole, the cushioning is not quite as soft as one would first imagine, but I can attest that after a relatively long trial run of 15 miles the shoes felt quite capable of going and going with the utmost comfort. It’s a stable ride too, without being too rigid or indeed too flexible; the shoe adapts nicely to the contours of various surfaces.


As I always seem to mention when it comes to the brands shoes, the upper fit is fantastic, good quality materials and a beautifully contoured design simply cradle the foot perfectly. A considered design feature is incorporated into the lacing, a ‘Fliprelease’ essentially opens up the laces in the forefoot of the shoe a little, give more ‘breathing space’ as the feet swell in the later stages of an ultra.


Again, this shoe isn’t a ‘mud-plugger’ but designed for extended comfort and protection on firmer trails and the outsole is perfect for that.


For fans of the brand, I think it’s their best off-road model yet and for those tempted by the brand it could be one of their best shoes to date full stop!

Technical info

  • Helion foam is doubled layered for an amazing amount of cushioning.
  • Connected Clouds keep stones and debris out.
  • Missiongrip has multi-directional lugs made of high-abrasion rubber that are strategically placed to provide enhanced grip on different trails.
  • Two-Layer Mesh upper offers breathability and durability. 
  • FlipRelease lacing system provides a custom fit. 
  • Sock-Fit construction for a comfortable and adaptable fit.

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