Updates to Saucony Hurricane ISO 5

  • The Saucony Hurricane ISO 5 is a stability running shoe that’s designed for those who want to tackle the roads. This update to the Hurricane ISO 4 boasts a similar design and set of components, though the upper has been modified to be sleeker and have a more open build. The ISOFIT fit-adjustment system helps the steadying mechanisms of the platform in maintaining a strong and stable in-shoe hug.
  • Underfoot cushioning is given by two layers of cushioned foam, with both segments bearing the EVERUN™ name. The medial side features a stability post which corrects overpronation and maintains a neutral running gait. Textured crystal rubber protects the cushioning system from the damaging nature of the roads.


The outsole unit of the Saucony Hurricane ISO 5 is made up of crystal rubber, which is durable yet spongy in nature. This material covers the entire platform, protecting foam midsole from the abrasive quality of the asphalt. The mildly soft structure adds a bit more cushioning and bounciness to the performance.

Flex grooves allow the platform to bend in tandem with the foot as it goes through the running cycle. The phase that is most affected by this design is the toe-off, a part of the run that involves the most flexing.


EVERUN™ is a full-length foam that serves as the base of the Saucony Hurricane ISO 5’s midsole. The job of this component is to receive the impact shock during the landing phase while also providing a steady and consistent underfoot experience. This EVERUN foam is also present in some popular Saucony running shoes like the Guide and Ride.

The topsole is also made up of EVERUN™. The purpose of this additional layer is to ensure copious levels of energy return, and consistent level of cushioning that feels new from the first mile to the several hundredths.

A stability post is added to the medial side of the platform. This dense material is the one responsible for correcting overpronated foot motion. It is one of the most frequently used components for stability running shoes, particularly ones that are meant to directly address the flat-arch concerns of some runners.

FORMFIT is a performance footbed that’s placed right above the primary cushioning system. This piece is tasked with providing support to areas that don’t usually receive it, like the arch and the curves of the forefoot area. It can be removed or replaced with a custom insert if desired.


The external part of the Saucony Hurricane ISO 5’s upper unit is comprised of engineered mesh. This textile has a cloth-like quality to it that evokes a feeling of merely wearing a sock. It’s also lightweight, stretchy, and generously breathable. Open pores line the silhouette, allowing air to enter the interior chamber.

A smooth inner sleeve allows the foot to enter the shoe’s interior with ease. It has a seamless construction that prevents hot spots and irritation. Moreover, it doesn’t impede the breathable purpose of its counterpart on the exterior.

The padded tongue and collar of this running shoe help in holding the foot in place and preventing accidental shoe removals.

ISOFIT is a system of printed overlays, stretchy fabric, discrete eyelets and flat shoelaces that work together to provide a hugging coverage. The multi-tech approach aims to preserve durability and quality, particularly in getting a snug yet highly customizable fit. Saucony’s well-known saddle-like midfoot panels are created to welcome any extra foot-volume or movement.

Facts / Specs

Terrain: Road
Weight: Men 11.3oz / Women 10.1oz
Drop: 8mm
Arch support: Stability
Forefoot height: 20mm
Heel height: 28mm
Collection: Saucony ISOFIT, Saucony Hurricane

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Jens Jakob Andersen
Jens Jakob Andersen

Jens Jakob is a fan of short distances with a 5K PR at 15:58 minutes. Based on 35 million race results, he's among the fastest 0.2% runners. Jens Jakob previously owned a running store, when he was also a competitive runner. His work is regularly featured in The New York Times, Washington Post, BBC and the likes as well as peer-reviewed journals. Finally, he has been a guest on +30 podcasts on running.