Nike Air Zoom Pegasus 37 Review

After no significant changes in the Pegasus 36, the 37 has made a significant transformation into a softer, higher shoe. The soft, low, contoured feel of the 36 is gone and replaced by a softer, higher, more consistent overall feel. The upper fit has also changed considerably, now featuring a much more flexible knit that has caused some slipping issues for some customers.

Pegasus 36 vs 37

  • Overall, the 37 is higher, softer, and less contoured than the 36
  • Gone are the edges on both sides of the shoe that seem to randomly hug the foot
  • The upper has seen a big refresh, creating an even more sock-like feel which has let to some slipping in the heel
  • The 37 still has a really great under-foot feel – somehow fast & responsive yet soft & forgiving at the same time
  • While the new flyknit upper is very sock-like and forgiving, the fit is still on the snug side and might have even gotten a little tighter in the toebox
  • Length appears to be near (in running terms)  a little short, you may have to go up a half or even full size to get around the small toebox
  • Overall width throughout the shoe is on the narrow side, but the flyknit upper does have enough flexibility to accommodate a decent range of foot widths

Nike Air Zoom Pegasus 37 Review


The flyknit upper remains tight. The shallow and narrow toebox and flyknit material greet your toes immediately when you put the shoes on. While Nike is providing a pretty snug fit overall, you may have to go up a half size to make everything work. Runners and walkers needing room in the toebox, especially depth, will need to look elsewhere. The flyknit upper is really forgiving, and the updated flyknit upper now provides a really wide range of flexibility in terms of width. But that flexibility comes at the cost of structure, and with the new upper, there’s really nothing keeping your foot planted to the shoe. This has expressed itself in heel slippage issues for many of our customers who otherwise like the shoe. Nike has really improved on the odd contours on each side of the shoe that plagued the 35 and 36.


The new Pegasus 37 uses the same Zoom Air and EVA foam technology as previous models in the Pegasus line, but there seems to be much more of it in the 37. It’s bask to feeling more like a traditional trainer based on the midsole. Nike hasn’t gotten away from that fast and responsive feel that the 35 and 36 featured, though. Comfortable for easy runs as well as for faster tempos or workouts, the Pegasus has a pretty wide range of applications. It’s not going to feel as performance-oriented as the Pegasus Turbo, but it is fast enough to serve multiple purposes for most runners. Separating the feel from the fit is difficult in the 37, however, because you really do feel how little there is of the upper. Overall, the Pegasus 37 is a softer performance-oriented trainer. Lighter and more playful than the Vomero, it actually feels similar to the Ghost in terms of under-foot feel. The flyknit upper helps the transition and flexibility of the shoe and creates a soft step-in feel. But, that step-in feel is dominated by the constrictive nature of the toebox.


As THE standard weight neutral shoe, the Nike Pegasus 37 the longest-running classic neutral trainer. Given how loose and flexible the upper of the 37 is, the shoe is going to allow your foot to pretty much function as it pleases, so while great for neutral runners, it’s not going to provide any guidance to prevent pronation.

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Nike Air Zoom Pegasus 37 Review


Nike Pegasus vs Brooks Ghost:

In their current versions (Nike Air Zoom Pegasus 37 vs Brooks Ghost 13), the Pegasus now feels lighter and lower. Not only that, the Pegasus is now a little plusher as well. The Ghost does feel like more of a traditional trainer in its fit and structured feel. The upper of each shoe also provides a different experience. While the Ghost provides a pretty standard upper fit and feel, the Pegasus continues to be very cradling upon step-in. That dramatically changes upon the first step, when the flexible nature of the Pegasus is revealed. The Pegasus has a much narrower and shallow toebox, and is a little on the short side.  In terms of weight, on the scale they are nearly identical, but the smooth transition and flexible upper of the Pegasus make it feel a little lighter on foot. Early analysis is showing that the slight changes that Brooks has made to the Ghost might give it a little bit of inherent stability, whereas the Pegasus function as a pure neutral shoe.

Nike Pegasus vs Pegasus Turbo:

With the updates in the Pegasus 37, the shared “Pegasus” name does now apply here. While the ZoomX foam makes a big difference in the overall feel, the 37 feels like a higher, softer, more protected version of the Turbo. The energy return of the ZoomX foam provides a fast-feeling, light ride.  The difference in weight on the scale is pretty amazing (~2 oz in a men’s 11,) and you certanly do feel that difference while running. Neither are designed to provide any amount of guidance and the differences in inherent stability are negligible between the two.

Nike Air Zoom Pegasus vs Nike Structure

Both made by Nike but with completely different runners in mind. The Pegasus is designed as their standard-weight neutral shoe while the Structure is Nike’s moderate stability shoe. From a function standpoint, not many runners would be comparing the two as neutral runners would probably be thrown out by the guidance in the Structure and runners needing some guidance to prevent pronation would be ill-served by the lack of stability of the Pegasus.

Nike Zoom Pegasus vs ASICS GEL-Cumulus

Two of the titans of neutral trainers! In their current forms, the two take very different approaches. The GEL-Cumulus 22 maintains its structured upper and midsole while the Zoom Pegasus 37 is a really flexible, contoured trainer. While both weigh about the same amount, the Pegasus’ super soft midsole and complete lack of structure make it feel much like a sock that has a lot of cushion. Conversely, the Cumulus feels more substantive and supportive of your foot. The Pegasus is softer than the Cumulus, and has a significant lack of any type of support or structure to the upper. Neither are designed to provide any amount of guidance and the differences in inherent stability are negligible between the two. The fit of the two are pretty different, with the Cumulus having a pretty traditional fit while the Pegasus is really contoured yet flexible. The Pegasus is small – at least half a size, but the flexible nature of the upper provides a lot of room for your foot to flex. We have had some fit issues with slipping in the Pegasus.

Nike Air Zoom Pegasus 37 Review