VJ Sport IROCK 3 Shoe Review

Robust, solid, great looking, aggressive outsole, Fitlock, good lacing, toe protection, red and black and the iRock 3 follows on from the iRock 2 with another winning shoe.

Quite simply, VJ Sport make the best outsole for trail and mountain running of any shoes I have used. They are what I compare all other shoes to, and still, several years on from testing the original iRock, no shoes have come close to giving the grip of a VJ.

The IRock was followed with the XTRM (review HERE) and then the MAXx (review HERE). Quite simply, when you line the iRock, XTRM and MAXx you have three shoes that cover all the needs from soft, sloppy and muddy trails to the harder, longer, more rocky trails of a longer trail and ultra-race. Be it fell running, skyrunning or ultra-trail, VJ have with the iRock, XTRM and the MAXx the perfect shoes for each terrain.

IROCK3

The IROCK 3 is a precision fit shoe with a narrow toe box. They are designed to hold and compress the foot so that there is no movement when running. Think of them as ballet shoes. You squeeze your feet in, benefit from the precision and hold when running and when done, you take your foot out and let it relax again. Of course, for some, they IROCK will just be too narrow. VJ list the fit as a 2. For comparison, the XTRM is a 2 maybe 3? and the MAXx a 4.

 14mm cushioning at the rear and 8mm at the front gives a 6mm drop.

The outsole (Superior Contact -kumipohja) is the hero of the shoe with 6mm lugs of super grippy butyl that works like a dream in wet or dry conditions.

Weighing 240g (UK8) the shoes are like Formula 1 cars for the trails and as such, they are not a shoe for everyday outings.

The upper is bullet proof with a mixture of DuPont Kevlar and Nylon and the other notable element of the VJ shoe, be that IROCK, XTRM or MAXx is the Fitlock which holds the foot like no other shoe. In addition there are overlays stitched on to add additional support.

Toe box is reinforced with a solid bumper. The heel area is minimally padded but fits like a glove and holds the foot secure.

Lacing is very secure, and the tongue is reinforced and made of a very durable and flexible material.

Solid build, aggressive outsole and great looks. This is a shoe for shorter outings, racing or training, when grip is paramount, especially in soft-ground and snow. It’s a favourite for orienteers, skyrunning and OCR.

IN USE

So, what is different from the IROCK 2?

Improved toe protection, lighter Fitlock system and improved laces. 

The IROCK3 is not a jack of all trades, this shoe has a specific purpose. 

I wrote about the IROCK 2 – “The easiest way to explain this is by looking at say, Formula 1. You wouldn’t go to Monaco Grand Prix and race in an MPV car, a saloon car or a bus, you’d have a very specific vehicle, low to the ground with incredible speed and awesome agility with incredible grip. The IROCK2 is the Formula 1 for fell and mountain running.” 

That stands true today and why VJ made the XTRM and MAXx to offer more comfort and less aggressive grip.

Road is not a friend of the IROCK, or should I say, the outsole. Too much road between trails will wear that soft rubber down quickly, so, it is best avoided as much as possible.

Needless to say, VJ’s hashtag of #bestgripontheplanet is not a lie. VJ really do offer the best grip and the IROCK is flawless in soft ground, on rocky trails and in the mountains. It makes no difference if wet or dry, they just grip like no other shoe. In mud, particularly soft mud, they dig in like football boots offering the best grip I have encountered.

Fit is precision. Once laced up and tightened. You feel the Fitlock hold the middle of the foot, add support to the arch and when switching direction on the trail, there are no question marks or doubts. The IROCK holds the foot rock solid.

At the front, the toe box is precision, but it is not super, super tight. I can happily run in the IROCK for multiple hours in comfort.

Feel for the ground is excellent and of course, the cushioning is relatively minimal keeping that all important contact with the surface so that one can respond to the terrain. Worth noting, this shoe is designed for soft ground, so, much of the cushioning can actually come from the ground that you are running on too.

In many respects, I am surprised the IROCK is 6mm drop. It works for me and I am happy, however, for a shoe designed to be fast and low, I am surprised it is not 4mm?

The fit is neutral and true to size. I am a EU44 and the IROCK is perfect in that size.

On the trail I feel the Fitlock and heel box working together holding the foot, be that in soft mud or running up rocks. The grip is superb.

Slabs of wet rock even covered in water do not make me question if the IROCK will be secure. I just run as normal and let the outsole do the work.

The combination of durability, fit, cushioning, precision and unmatched grip confirms what I said in 2017 about the IROCK 2, they are the best fell/ mountain and short distance skyrunning shoes out there!

Mud, rock, fell in wet or dry conditions, the IROCK 3 is the most complete mountain shoe I have used over shorter distances.

SUMMARY

VJ Sport have been making secret weapons for the orienteering world for many years, but now the secret is out. 

VJ are now seen at OCR races, Skyrunning, fell races and with the addition of the MAXx, we are even seeing them at ultra-trail.

If grip, foothold, precision and light weight are priorities for soft, muddy and wet ground, the IROCK 3 is for you!

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VJ XTRM Shoe Review – VJ Sport

Last year I finally got my hands on a pair of VJ Sport IRock 2 (HERE). I was blown away by pretty much everything about the shoes. The upper, the way they held one’s foot, the durability of the materials used, and the outsole was just incredible – the most amazing grip. The only reservation that I had, was how long I could run in these shoes… They are pretty minimal and although cushioned, the cushioning for me would probably only take me to 3-4 hours of running.

OCR World Champion and Skyrunner World Series Champion, Jonathan Albon, agreed. In some of the longer races, Trofeo Kima for example where the terrain is hard, rocky, muddy, has snow, maybe the odd glacier thrown in and when the male winning time is over 6-hours, although the IRock 2 was perfect on grip, the cushioning made a really long run like this tiring for the feet.

With Jon’s feedback, VJ Sport went back to the drawing board, took all the best elements of the IRock 2 and created a new shoe:

VJ XTRM.

The king is dead, long live the king!

Let me just say in simple terms everything that was brilliant in the IRock 2 has been transferred to the new VJ XTRM and what VJ Sport have done, in my opinion, they have created the most perfect mountain running shoe for when the trails are demanding, rocky and throwing all sorts of variables at the runner.

So, what is new in the VJ XTRM.

  • Two new cushioning units have been added to the front and rear.
  • A full-length RockPlate.
  • A medium last.
  • A little extra room in the toe box.
  • New Fitlock.

As I mentioned, much of the IRock 2 crosses over. For example, the outsole is the amazing Butyl Rubber which for me offers the best grip I have encountered on any mountain shoe. The outsole studs are 6mm which offers a good compromise between grip on muddy/ wet trails and excellent grip on smooth and easy single-track.

At 250g for a standard UK8, the shoe is light and 4mm drop sits in a comfortable middle ground for the zero drop fanatics and those who like a more comfortable and relaxed 8mm drop.

Kevlar and Polyester make the upper and the IRock 2 has been the most durable shoe I have ever used, so, I don’t anticipate the VJ XTRM to be any different. There is also Fiberclass stability control.

THE SHOE

Slipping one’s foot into the VJ XTRM one immediately feels the snug and precision fit. However, the slightly wider toe box is noticeable. Don’t get me wrong here, this is not a wide and spacious toe box, so, if that is what you personally need, this may well be not the shoe for you. Please remember though that this is a specific mountain/ skyrunning shoe that will be used on technical mountainous terrain, so, a shoe for this type of running should be precision.

Pulling the laces tight, the FITLOCK takes hold and provides the most secure and comfortable hold of my foot. It is the best I have tried, no question. The laces are excellent, they pull tight and stay tight.

The upper is a mix of materials and is extremely durable. Although it is too early to comment on longevity of the VJ XTRM upper, the materials and comparisons with the IRock 2 are very close. My IRock 2 have been through everything and are still going strong. The heel box has minimal padding but holds the foot secure and is extremely comfortable. The toe box is well protected and ideal for mountain terrain.

The colours of the upper are a little bright. They wouldn’t be my choice, I certainly loved the red & black combo of the IRock 2, but colours are just colours and after a good muddy run, the colours soon become muted.

Like the IRock 2, the VJ XTRM looks heavy, pick them up and you realise they are not, they are super-light!

The bottom of the shoe is what helps VJ Sport stand out amongst the competition and why they have such a following. The Butyl Rubber they use is the best outsole I have ever tested and on rock terrain, dry or wet, they are the most reassuring footwear ever! The 6mm studs are the same as on the IRock 2 and this is significant, the IRock 2 provided the best grip ever, so, to see this transferred over to the XTRM is superb.

IN USE

The IRock 2 last-year was the best mountain shoe I have ever used. This has now been replaced by the VJ XTRM and for me, moving forward, I would always purchase the VJ XTRM and not the IRock 2. For me, VJ Sport may well have killed the IRock 2 because the VJ XTRM is so good.

 sport

WHY?

To all intents and purposes, the IRock 2 and VJ XTRM are very similar shoes. One difference is 6mm drop for the IRock 2 and 4mm drop for the VJ XTRM, this may be a decision maker for some? However, the new additions to the VJ XTRM just make it a much more versatile shoe without compromising what made the IRock 2 great, no, superb!

  1. The added cushioning doesn’t compromise feel for the ground, control, stability for faster shorter mountain running but what it does allow is more cushioning and comfort for longer runs.
  2. The RockPlate is a no brainier, it is added protection and added comfort for little to no additional weight.
  3. The new Fitlock holds the foot as well, if not better than the Fitlock on the IRock 2.
  4. The toe box has been widened to allow for a little more room and toe splay when running longer but not at the compromise of precision and feel.
  5. The upper is as the IRock 2 with Kevlar and outstanding durability.
  6. The outsole is the same, 6mm studs in the amazing Butyl Rubber.

The additions make the VJ XTRM the perfect all-round mountain shoe be that for short or long outings. Whereas, the IRock 2 was a shoe that I personally would not want to be out in for much longer than 4-hours.

SUMMARY

This is the best mountain running shoe I have ever used. For skyrunning, it is THE perfect shoe and for me, all other shoes that I test for that intended use will be compared to the VJ XTRM. Jonathan Albon’s influence can be felt in this shoe and I am sure his feedback with VJ Sport has been paramount in retaining all that was brilliant in the IRock 2 and then tweaking it to add what Jonathan and many other runners wanted; more cushioning, a RockPlate and a slightly wider toe box.

I personally am unable to find any negatives.

Obviously, the Butyl Rubber outsole works so well because it is soft and grippy, so, if you start running on roads and pavements, be aware, the outsole won’t last.

But the VJ XTRM is a formula 1 shoe and not a Ford Escort or similar. Maybe the VJ XTRM should make an appearance for those special runs or races?

However, if you are like me, I think the shoes are so awesome that if I am going to run anything technical, wet or dry, I want these shoes on my feet.

VJ SPORT website

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