Shoes are personal. Run shoes are very personal. Quite simply, we are all unique and our needs when running vary greatly depending on the distance we are running, the terrain we are running on and how long we will be out for. It is why so many shoes exist.
Last year I said my shoe of the year was the Merrell Agility Peak 5. It is a shoe that ticked all the boxes, comfort, great foot hold, excellent grip and a fantastic all rounder for trail and mountain running. If I was only allowed one trail shoe, the Agility Peak 5 would be my choice.
It’s fair to say, that Merrell are still fighting an uphill battle to be taken seriously in the run world, especially when compared to the giants like Hoka, adidas, Brooks, Asics, Salomon and so on… Take note, Merrell should definitely be on your consideration list.
With the announcement of the MTL Long Sky 2 Matryx and my love for the Agility Peak 5, I was very keen to give this new incarnation plenty of testing.
In contrast to the Agility Peak 5, the MTL Long Sky 2 Matryx is a completely different beast. Less cushioning, lower weight, lower profile and lower drop. It’s a very specific shoe.
To draw a comparison, the Agility Peak 5 is like an everyday car for the family, plenty of room, comfort and great for a full day out. The MTL Long Sky 2 is much more a 2-seat sports car that is has a very specific use and some comfort is missing in exchange for speed.
So, although the name has ‘Long’ in the title, don’t be fooled in to thinking this is a long distance shoe. It is not. The most relevant part of the shoes name is ‘Sky’ and the reference to skyrunning which takes place in tough, challenging and technical terrain and mostly over shorter distances between 20 and 50km.
A neutral shoe, in comparison to the previous model (the Long Sky) the drop has been reduced from 8mm to 4mm. This is significant is it gives a much greater contact with the ground and control. Cushioning is 19.5mm at the front and 23.5mm at the rear. The outsole is Vibram MegaGrip with 5mm lugs.
A key feature is the new MATRYX upper which has more durability and is designed to keep the foot cooler with greater wicking.
They have a gusseted tongue for excellent foot hold. Cushioning is via EVA foam insole and dual FloatPro Foam.
There is a temperature regulating footbed. A UK9/ EU44 is 259g and sizing is true to size. The shoe is 15% lighter than the previous model
THE SHOE
It’s a great looking shoe and one that immediately says speed. The white to multi fade orange and pink is striking.
Slipping the shoe on, the foot hold is immediately noticeable and with the laces adjusted and the sock-like fit, there is no movement at all. Exactly what you want from a shoe that will handle mountainous and technical terrain. The heel area is very minimal and there is a raised padded area inside that is designed to grip and hold – it certainly does, arguably they are the most secure shoe I have experienced in this area. The front of the shoe opens up to provide enough width for toe splay, but not too much room so that you would lose control when precision is required.
With a 19.5/23.5mm cushioning, this shoe is designed to provide a compromise offering cushioning but not losing ground feel and control. As mentioned before, the ‘Long’ in the name is relative and for most people, this is not a long distance shoe.
The upper construction is minimal and notably so at the front, there is token toe protection. Don’t be fooled though, this MATRYX upper is tough and durable.
The shoe immediately feels comfortable when you put them on. I strongly suggest you play around with socks to find out what works best for you, I noticed a huge difference in feel between a lightweight sock and a slightly thicker merino sock.
Merrell say the shoe is good for up to 50km. For sure, yes, 50km is possible, but this depends on the runner and the speed they are going. A top elite mountain runner may tick off 50km in 4 to 5 hours, whereas, someone else may take 10-hours, so, use caution.
The MTL Long Sky 2 Matryx is designed to be agile and nimble, they are! But this comes at a price on comfort and protection. I had expected more protection and ultimately, for me, that just wasn’t there. I could feel stones, rocks and tree roots through the shoe which did surprise me. They feel thin!
They are very flexible and the propulsive phase is very good. On the correct feet, this is a fast shoe.
The biggest problem for me was the heel area. In one area they are brilliant, the hold is fantastic, they are secure and there is no slipping. However, this hold comes from the raised cushioned area with the heel, no matter what I did or tried, this just rubbed and caused blisters on both feet. I must caveat here, I never get blisters. So, this just made the MTL Long Sky 2 Matryx unwearable for me.
The outsole is Vibram MegaGrip with 5mm lugs. Ideal for technical terrain providing grip when required on rock, gravel, light mud and varying terrain. I am still not 100% convinced or confident of Vibram on wet rock, especially when compared to VJ Sport or the Continental grip on adidas shoes.
Conclusion
There is a great deal to like in the Merrell MTL Long Sky 2 Matryx and if you are looking for something light, nimble, fast with ground feel for short mountain days or racing, this is for you. However, this all comes at a price. It’s a specific shoe for a specific task, just like a Formula One car. This is not the only shoe to have or use. It’s too specific for everyday runs, so, the MTL Long Sky 2 Matryx should be added to an already existing shoe collection and they should be reached for and used on special days. Given that Merrell sponsor the Skyrunner World Series, it’s unsurprising that this shoe is designed to specifically perform on this terrain.
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