Inov8 Running Shoes Explained: Everything You Need To Know

Aug 19
11 min read

Inov8 has one of the most distinctive backgrounds of any running shoe company. Founded in the English Lake District in 2003, the brand made its name producing shoes for fell, mountain and trail running, where grip on mud, rock and difficult terrain matters just as much as cushioning.

The company has changed considerably since those early years. Its current collection includes shoes for road running, hard packed trails, mixed terrain, deep mud and ultramarathons, while recent models have introduced a more anatomical shape designed to give the toes greater room to spread.

If you've seen a pair of Inov8 running shoes and wondered what makes them different, what technologies such as NaturalFit and Graphene Grip mean or which shoe might suit your running, here's everything you need to know.

The History Of Inov8

Inov8 was founded by Wayne Edy in 2003 and developed in the fells and mountains of the English Lake District. That location played an important part in shaping the company, with its early footwear designed around the demands of running across steep, wet and uneven terrain.

The company was originally known as inov-8 and subsequently INOV-8. A major rebrand in 2024 simplified the name to Inov8 and coincided with significant changes to the design and shape of its footwear.

Trail and fell running remain central to the company, but Inov8 has expanded well beyond its original specialist market. Its current collection includes road running shoes alongside trail, fell, hiking and gym footwear.

Why Are Inov8 Running Shoes Different?

Inov8 developed from fell and trail running rather than conventional road running, and that heritage continues to influence its shoes. Different types of terrain place very different demands on footwear, particularly when it comes to grip, so Inov8 doesn't treat all trail running as one category.

Its current trail range illustrates this particularly well. Trailfly is designed primarily for hard and rocky trails, Trailtalon provides more aggressive grip for varied terrain, and Mudtalon is aimed specifically at soft and muddy ground. Parkclaw provides another option for runners moving between roads and easier trails.

Inov8 has also retained lower profile and zero drop options while much of the running shoe market has moved towards increasingly thick midsoles. It now produces more highly cushioned shoes as well, giving runners considerably more choice than simply the minimal fell shoes with which the company was once closely associated.

What Is Inov8 NaturalFit?

NaturalFit is the name Inov8 uses for the anatomical shape introduced across its newer generation of footwear. The shoes are designed to hold the heel and midfoot securely before widening towards the front, providing more room for the toes.

This represents a significant change from some older Inov8 shoes, which could have a relatively close and precise fit. Many current models are also offered in more than one width, with options varying according to the shoe and the terrain for which it is designed.

A wider forefoot isn't automatically better for every runner. Technical running can require a secure fit to prevent excessive movement inside the shoe, which is one reason Inov8 continues to provide different fitting options rather than simply making every shoe extremely wide.

What Is Inov8 Graphene Grip?

One of Inov8's best known innovations is the use of graphene in running shoe rubber. The technology was developed through a collaboration with researchers at the University of Manchester, and Inov8 introduced its first graphene enhanced sports footwear in 2018.

Running shoe outsole design often involves balancing grip and durability. Softer rubber can provide good traction but may wear more quickly, so Inov8 incorporated graphene into rubber compounds with the aim of improving durability without sacrificing grip.

Graphene enhanced rubber is used in parts of the current Inov8 range, including trail shoes, but it isn't found in exactly the same form in every model. Mudtalon, for example, uses the company's StickyGrip rubber because a shoe designed primarily for mud has different traction requirements from one designed for harder trails.

What Do Inov8 Lug Depths Mean?

The rubber projections underneath a trail running shoe are known as lugs. Their shape, spacing and depth influence how well the shoe grips different surfaces.

Inov8 uses noticeably different lug depths across its main trail families. Trailfly models use 4mm lugs for hard packed and rocky trails, while Trailtalon increases the depth to 6mm for a broader mixture of hard and soft ground. Mudtalon uses much deeper 8mm lugs designed to penetrate mud and other soft surfaces.

Deeper isn't automatically better. An aggressive 8mm outsole can be extremely useful on a muddy fell but unnecessary on compact forest paths or gravel. Choosing an Inov8 trail shoe should therefore begin with the terrain you actually run on rather than simply selecting the model with the biggest lugs.

What Is Heel Drop?

Heel drop is the difference in height between the heel and forefoot of a running shoe. It can significantly influence how a shoe feels even when two models provide similar levels of overall cushioning.

There isn't one standard heel drop across the Inov8 range. The standard Roadfly and Roadfly Max, for example, use a 6mm drop, while Inov8 also produces dedicated Zero models with no difference in height between the heel and forefoot.

A lower drop isn't automatically better. Moving abruptly from a conventional shoe to a zero drop model can change the demands placed on the calves, Achilles tendons and lower legs. Fit, comfort and what your body is accustomed to remain more important than choosing a shoe simply because it has a particular drop.

Does Inov8 Make Neutral Running Shoes?

Yes. Roadfly is Inov8's main road running family and provides neutral options for runners who want to use the brand away from the trails.

The standard Roadfly is designed as an everyday road running shoe with moderate cushioning and a 6mm drop. Roadfly Max provides substantially more cushioning for longer runs, marathon training and higher mileage, while Roadfly Zero provides a lower profile zero drop alternative.

Inov8's road range remains much smaller than those offered by the biggest road running brands, but Roadfly has given the company a much clearer presence on the road than it had historically.

Does Inov8 Make Stability Shoes?

Inov8 doesn't currently organise its running range around traditional neutral and stability categories in the way that brands such as Brooks, Asics or New Balance do. You won't find a direct equivalent of a conventional stability family built around medial posts or other dedicated pronation control features.

That doesn't mean its shoes are inherently unstable. Platform width, fit, midsole geometry and the way the foot sits within a shoe can all influence how stable it feels without it being marketed as a stability model.

Runners who know they prefer a dedicated stability shoe should therefore compare Inov8 carefully with more conventional stability options from other brands. As with any running shoe, pronation alone isn't a reason to assume that you need a particular type of supportive footwear.

Does Inov8 Make Carbon Plate Running Shoes?

Inov8 doesn't currently compete directly with the large selection of carbon plated road racing shoes offered by brands such as Nike, adidas, Asics and Saucony.

That distinction is useful because not every running shoe brand needs to follow the same approach. Inov8's current road collection places greater emphasis on anatomical fit, flexibility and different levels of cushioning rather than building the range around carbon plated marathon racing shoes.

Most recreational runners don't need a carbon plate for everyday running anyway. A comfortable daily trainer is likely to account for the majority of weekly mileage, regardless of whether a runner chooses to use a plated shoe for selected races.

Does Inov8 Make Trail Running Shoes?

Trail and fell running remain at the heart of Inov8, and this is where the range provides considerably more specialist choice than its road collection.

Trailfly is designed primarily for hard packed and rocky trails and uses 4mm lugs. Trailtalon increases the lug depth to 6mm and is designed for a mixture of hard and soft surfaces, making it a more versatile choice for runners encountering varied terrain.

Mudtalon is the specialist soft ground family. Its aggressive 8mm lugs are designed for mud, wet hills and conditions where a conventional trail shoe may struggle to find enough purchase.

Parkclaw offers another approach by bridging the gap between road and trail. It is particularly relevant to runners whose routes combine pavements, parks, gravel tracks and relatively straightforward trails rather than highly technical terrain.

Which Inov8 Running Shoe Is Right For You?

Inov8 Roadfly

Roadfly (pictured above) is the everyday road running model. It provides moderate cushioning with a 6mm drop and is the most straightforward Inov8 option for runners completing most of their mileage on roads and pavements.

Inov8 Roadfly Max

Roadfly Max is the more highly cushioned road option and is designed particularly for longer runs and higher mileage. It retains a 6mm drop but provides substantially more cushioning underfoot than the standard Roadfly, making it relevant to marathon and ultra distance training.

Inov8 Roadfly Zero

Roadfly Zero is the specialist zero drop road model. The heel and forefoot sit at the same height, making it most appropriate for runners who already prefer or specifically want to transition towards zero drop footwear.

Inov8 Trailfly V2

Trailfly V2 is designed primarily for hard packed and rocky trails. Its 4mm lugs provide trail specific traction without the aggressive depth required for deep mud, making it a versatile option for firmer off road routes.

Inov8 Trailfly Speed V2

Trailfly Speed V2 provides a lower profile and more responsive version of the Trailfly concept. It is aimed more towards faster trail running and racing while retaining the 4mm outsole designed for harder surfaces.

Inov8 Trailfly Max V2

Trailfly Max V2 adds substantially more cushioning for runners covering longer distances on hard and rocky trails. It is particularly relevant to long distance trail runners and ultrarunners who want more protection underfoot than the standard or Speed versions provide.

Inov8 Trailtalon

Trailtalon is designed as a versatile trail shoe for runners regularly encountering a mixture of hard and soft terrain. Its 6mm lugs sit between the shorter Trailfly outsole and the much more aggressive Mudtalon.

Inov8 Trailtalon Speed

Trailtalon Speed provides a lighter, more direct option for faster trail running and racing. It retains the 6mm lug depth of the Trailtalon family while placing greater emphasis on speed and ground feel.

Inov8 Trailtalon Max

Trailtalon Max combines the versatile 6mm outsole with additional cushioning for longer trail runs and ultramarathons. It is the more obvious Trailtalon choice for runners prioritising protection and comfort over a lower profile feel.

Inov8 Mudtalon V2

Mudtalon V2 is designed for soft and muddy terrain. Its aggressive 8mm lugs are intended to penetrate soft ground, making it much more specialised than a general purpose trail running shoe.

Inov8 Mudtalon Speed V2

Mudtalon Speed V2 is the faster and more direct option within the mud range. It retains the aggressive outsole required for soft ground but is aimed more towards racing and runners who prefer greater connection with the terrain.

Inov8 Mudtalon Zero V2

Mudtalon Zero V2 combines the deep 8mm mud outsole with a zero drop platform. That makes it a particularly specialised option for runners who both tackle very soft terrain and are already comfortable running in zero drop footwear.

Inov8 Parkclaw

Parkclaw is designed for routes that combine road and trail. It makes most sense for runners who leave home on pavement before moving onto parks, gravel tracks and easier trails and don't want to change shoes between surfaces.

Are Inov8 Shoes Sustainable?

Inov8 has taken steps to reduce the environmental impact of some of its products and packaging, but running shoes remain complex products containing combinations of foams, rubber, fabrics, adhesives and other materials.

The company has previously introduced initiatives involving recycled materials and reducing unnecessary packaging, while durability is also relevant to the environmental discussion. Technologies designed to extend outsole life can potentially reduce how frequently footwear needs replacing, although actual shoe lifespan varies considerably between runners and models.

It would therefore be misleading to describe Inov8 running shoes themselves as sustainable. A more accurate description is that the company has introduced measures intended to reduce aspects of its environmental impact while continuing to manufacture products that inevitably use significant materials and resources.

Are Inov8 Running Shoes Worth It?

Inov8 is certainly worth considering, particularly if much of your running takes place away from the road. Few brands divide their trail footwear quite so clearly according to terrain, and the distinction between Trailfly, Trailtalon and Mudtalon makes the range easier to understand once you know what the different lug depths are designed to do.

The newer NaturalFit approach also makes Inov8 interesting to runners who prefer more room around their toes, while Roadfly provides genuine options for runners who want to use the brand on the road.

The main limitation is that Inov8 doesn't offer the enormous road range available from the biggest international brands. Runners specifically looking for conventional stability shoes or carbon plated marathon racers will find considerably more choice elsewhere.

That shouldn't matter if Inov8 makes the type of shoe you actually need. As with every brand, fit, comfort and suitability for your running are more important than the name on the side of the shoe.

Frequently Asked Questions

Are Inov8 Running Shoes Good For Beginners?

Beginners can run in Inov8 shoes, but choosing the correct model is particularly important because much of the range is designed around specific terrain. Road runners could consider Roadfly, while runners beginning to explore mixed trails may find Trailtalon or Parkclaw more appropriate. A specialist Mudtalon is unlikely to be necessary unless you regularly run on genuinely soft and muddy ground.

Who Makes Inov8 Running Shoes?

Inov8 was founded by Wayne Edy in 2003 and developed from the English Lake District. The company specialises in running, hiking and fitness footwear and clothing, with trail and fell running remaining particularly important parts of its identity.

Is Inov8 A British Running Shoe Brand?

Inov8 was founded in England and has longstanding roots in the Lake District. The surrounding fells have played an important role in the development and testing of its off road footwear.

Are Inov8 Running Shoes Good For Wide Feet?

Some can be. The newer NaturalFit design provides more space towards the toes than many older Inov8 shoes, and different width options are available within parts of the range. That doesn't mean every Inov8 shoe will suit every wide foot, so trying the individual model remains important.

What Is The Difference Between Trailfly, Trailtalon And Mudtalon?

The biggest difference is the terrain. Trailfly uses 4mm lugs and is designed mainly for hard and rocky trails. Trailtalon uses 6mm lugs for a mixture of hard and soft ground, while Mudtalon uses aggressive 8mm lugs for mud and other soft surfaces.

Does Inov8 Make Zero Drop Running Shoes?

Zero drop footwear remains an important part of the Inov8 range. Roadfly Zero provides a road option, while Zero versions are also available within parts of the trail collection. Runners accustomed to a conventional heel to toe drop should introduce a substantial change in drop gradually.

Do Inov8 Running Shoes Contain Graphene?

Some do. Inov8 developed graphene enhanced rubber through a collaboration with researchers at the University of Manchester and uses graphene technology within parts of its footwear range. It shouldn't be assumed that every Inov8 running shoe contains graphene because outsole compounds vary according to the intended terrain and model.

Are Inov8 Shoes Good For Road Running?

Although Inov8 is best known for trail and fell running, Roadfly is a dedicated road running range. The standard Roadfly is designed for everyday running, Roadfly Max provides more cushioning for longer distances and Roadfly Zero offers a zero drop alternative.

Does Inov8 Make Shoes For Marathon Running?

Roadfly and particularly Roadfly Max can be considered for marathon training and road running over longer distances. Inov8 doesn't currently focus on carbon plated marathon racing shoes, however, so runners looking specifically for a conventional super shoe will find more options from other brands.

How Long Do Inov8 Running Shoes Last?

There isn't a fixed mileage at which every pair of Inov8 shoes needs replacing. Durability depends on the model, the runner, running surface, body weight, running style and how frequently the shoes are used. Trail shoes can also experience very different types of wear depending on whether they are used on mud, rock or abrasive hard surfaces. Significant outsole wear, damage to the upper or a noticeable change in cushioning are more useful warning signs than relying on mileage alone.

Final Thoughts On Inov8 Running Shoes

Inov8 remains unusual in a running shoe market dominated by companies whose biggest focus is road running. Its Lake District heritage is still obvious in a range that distinguishes between hard trails, mixed terrain and deep mud rather than treating every form of off road running as essentially the same.

The company has evolved considerably, however. NaturalFit has changed the shape of its newer footwear, more highly cushioned Max models provide options for longer distances and Roadfly has given Inov8 a much clearer road running collection.

Understanding the range becomes much easier once you start with where you run. Roadfly covers the road, Trailfly is aimed at harder trails, Trailtalon provides greater versatility, Mudtalon tackles soft and muddy ground, and Parkclaw bridges the gap between road and easier trails.

If you're considering Inov8 running shoes, start with the terrain and type of running you do and then concentrate on fit and comfort. The company's specialist technologies and distinctive heritage are interesting, but the best Inov8 shoe is ultimately the one that works for your feet and the surfaces you actually run on.