La Sportiva CYKLON CROSS GTX Review

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The La Sportiva Cyklon with BOA® Fit System was a revelation on its release and without a doubt, it has been a perfect shoe for mountain adventures in challenging terrain. On first impressions, the Cyklon could almost have been mistaken for a lightweight boot due to the built in sock-liner which comes higher up the leg, to ankle height which has two purposes: 1. It keeps out debris from entering the shoe. 2. It provides additional support.

The CYKLON is a unique shoe in that it almost occupied its own category, a crossover between mountain running shoe and boot. IT excelled in challenging terrain with incredible foot hold, protection and a great outsole. Standout features were the sock-like fit in conjunction with the BOA/ Dynamic Cage which provided me with arguably one of the most secure footholds I have experienced.

Now, La Sportiva have stepped up the game with the recent release of the Cyklon Cross GTX. Living in Norway, this has been one of my ‘go-to’ shoe throughout the winter months when snow and ice have been my ‘normal’ running conditions.

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In simple terms and for ease of clarification, imagine a Cyklon shoe wrapped in a water-repellent gaiter designed to keep snow, mud, ice, water, and other unwanted elements away from the foot.

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Add an external zip allowing ease of access and a BOA® Fit System to ‘dial’ how tight or loose the fit of the shoe is, and an aggressive grip made from FriXion® White you have arguably, one of ‘the’ ultimate off-road/ mountain shoes when conditions are harsh.

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My first impressions were one of disappointment, why were there no metal studs on the outsole as La Sportiva have on the Blizzard GTX (here)? Of course, I understood why, you really limit the market and the use of the shoe with studs, but here in Norway, you ‘always’ need spikes from November through to March and even April.

However, having messaged Jono Wyatt at La Sportiva asking the above question, his reply was as I expected, “We need to appeal to a larger market to make the shoe viable, but this outsole is designed to be used with AT Grip spikes to enhance grip on snowy and icy terrain.”

Problem solved – the AT Grip HERE is a multi-purpose, adjustable spike, it can be added to the sole quickly, guaranteeing maximum safety and grip on any type of terrain and under any conditions.

So, with my personal ‘needs’ covered re the spikes, I decided NOT to add the AT spikes and try the shoes in a multitude of terrain and as and when required, add micro-spikes (Nortec HERE for example) for ice conditions. Micro-spikes do provide more grip than studs, but the running experience is not as good as a specific winter stud shoe.

THE SHOE

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If you used the Cyklon, you are going to love the Cyklon Cross GTX. For me, it takes everything I loved about the original Cyklon and adds a level of refinement that makes this incarnation a pleasure to wear.

Notably, the BOA® Fit System is in a different place to the original Cyklon and now it is clear of the ankle – a problem area for some.

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Sliding your foot into the boot and it immediately feels like wearing a pair of gloves, without the BOA® Fit System adjusted, they already feel snug. Engage the BOA and twist and the foot is held snug with the option to micro-adjust tighter (or looser) based on personal needs or conditions. Then pull up the zip. The whole foot and well above the ankle is enclosed in a wonderfully snug Gore-Tex protection against the elements. The plus being that shoe adjustment can be done, ‘on-the-go’ with gloves on at any time while out on a run. Perfect!

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Comfort level is extremely high. In all honesty, it’s a game changer for winter conditions. I do recommend using a higher sock that extends beyond the top of the shoe, it increases comfort. I also recommend that you use merino.

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Many will say that there is no need for Gore-Tex in a running shoe. And usually, I would agree, especially for a shoe when water can enter below the ankle. Here though, the Cyklon Cross GTX comes much higher with a tight enclosure. It really does reduce what ‘can’ enter the shoe, and, in 3-months of winter running not once have my feet been wet. But go in water (deep) that extends beyond the top of the shoe and yes, water will enter, albeit much slower than any other shoe I have used. For clarity, I have run on many frozen ponds and puddles recently, often breaking through the ice to enter the water below, still no wet feet!

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The grip is excellent on rock, mud, trees and all trail conditions, especially soft snow. Add micro-spikes for ice and you have a perfect ice shoe, albeit not as comfortable as a specific ice shoe, but on many occasions, I have gladly used this boot as an alternative, especially when encountering fresh snow with ice underneath, the boot offers more warmth and comfort.

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Feel for the ground is superb. They are cushioned but not too much. They combine comfort and excellent proprioception so that you feel at one with the terrain and always in control. Propulsive phase is superb and all-around comfort is magnificent. The Cyklon Cross GTX feels so good that I’d love to use them beyond the winter months, they would make excellent mountain shoes for all-year BUT I fear, they will be too warm in late spring and summer.

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The toe bumper is robust and amazingly protective.

Despite the obvious appeals for winter and mountain running, the Cyklon Cross GTX is ideally placed for ‘fast-and-light’ alpinism when a normal shoe just wouldn’t cut it, think of Monte Rosa Skymarathon as a prime example.

A neutral fit I suggest you size up. I find that with La Sportiva I always need to do this; I am usually an EU 44 (UK9.5) but with La Sportiva I am in EU 45. Weight of an EU 45 is 382g which is quite incredible for a shoe with such solid build. Drop is 8mm.

Looks are awesome – the classic La Sportiva yellow/ black is stunning.

CONCLUSION

The La Sportiva Cyklon Cross GTX gets a 9.5/10 from me. Why not 10? Well, I’d love to see them ‘with’ a winter spike, but I fully understand why a spike is not standard. At least La Sportiva have thought of this with an appropriate outsole and the option of AT spikes.

Amazing foothold, amazing grip, warm, durable and dare I say, bullet proof. This is a shoe that makes me smile and want to run in harsh, cold, and tough conditions. BOA is the perfect fit system here and arguably it’s a best-case scenario allowing the user to adjust the shoe when running, especially when wearing gloves on.

The ride is predictably stable, firm, protective and suitable for any terrain and they excel in mud and snow. Ground feel is superb with adequate comfort.

They look awesome and surprisingly streamlined. When zipped up, they fit snug, some would even say tight, which only adds to the secure and warm feeling.

They are not cheap at 260 euros, but this is a specific bespoke shoe and if used as intended, they will last year-on-year for many winters.

Quite simply, one of the best, (if not the best) winter shoes I have ever used !

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Episode 208 – BOA and La Sportiva Special

Episode 208 of Talk Ultra is a special show with DANIEL FEENEY and Jonathan Wyatt discussing the collaboration between BOA and La Sportiva for the new, Cyklon shoe.


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NEWS

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Latest Reviews

inov-8 Trailfly Ultra G300 Max Review HERE

VJ Sport ULTRA shoe review HERE

La Sportiva CYKLON shoe review HERE

INSTINCT XX20L Pack review HERE

ARTICLES

  1. What goes in a Winter Pack? HERE
  2. VJ Sport Xero Shoe Review HERE
  3. adidas Terrex Speed Ultra Shoe Review HERE
  4. adidias Terrex Speed PRO SG Shoe Review HERE
  5. La Sportiva VK Boa shoe review HERE
  6. Moonlight head lamp review HERE
  7. inov-8 Roclite Pro boot review HERE
  8. Review of 2020 HERE
  9. Icbebug Pytho 5 Review HERE
  10. inov-8 Mudclaw G260 Review HERE
  11. inov-8 G270 Long-Term Review HERE
  12. Fuelling for a Multi-Day like MDS HERE
  13. Winter Running – Hints n Tips HERE
  14. Icebug Route Winter Studded Shoe Review HERE
  15. The Ultimate Guide to Desert Multi-Day Racing (updated) HERE
  16. Haglöfs L.I.M Essens Jacket HERE
  17. First look at VJ Sport new shoe HERE
  18. adidas Terrex Two Ultra Parley shoe review HERE
  19. Exped Down Socks and Bivy Booty review HERE
  20. Coros VERTIX review HERE

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INTERVIEWDANIEL FEENEY and Jonathan Wyatt discuss the collaboration between BOA and La Sportiva for the new, Cyklon shoe.

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La Sportiva Cyklon Review

The La Sportiva CYKLON is here. Renowned for shoes that perform in mountain, challenging and arduous terrain, La Sportiva have moved up a level with the CYKLON collaborating closely with BOA® Fit System to provide a new mountain running shoe with a difference.

Available in multiple (4) colour options, the standout for me is the classic and directly recognizable La Sportiva colours on black/yellow/red which has always been pleasing to the eye and one that grabs attention.

The CYKLON on first impressions could almost be mistaken for a lightweight boot due to the built-in sock-liner which comes higher up the leg, to beyond ankle height which has two purposes: 1. It keeps out debris from entering the shoe. 2. It provides additional support.

The CYKLON has slightly unusual sizing, I take an EU44 (UK9.5) in all my shoes, the same applies here in the La Sportiva, but this comes out as a UK9.5+ – I guess a 9 and 2/3rds. It works fine and, in all honesty, I would say that little extra room was welcome.

They are not the lightest shoes, 340g for an EU44, but on the foot and running they feel superb, secure, and strong. They certainly don’t feel like a 300g+ shoe. The weight is listed as 315g for ‘standard size’ which is typically UK8/ EU42.

Drop is 8mm and cushioning is 20mm at the front and 28mm at the rear providing excellent protection for tough and challenging terrain.

Designed to excel in mountain environments, 6x world mountain running champion, Jonathan Wyatt (who works at La Sportiva) has been closely involved with the development of the shoe with all important athlete feedback. In his words, the CYKLON is the next step from the extremely popular MUTANT. While similarities can be seen, particularly in the outsole, the CYKLON moves the shoe design on significantly. The addition of BOA® significantly changes things too and the two brands have worked together to develop and tweak to ensure that the shoe is as perfect as it can be.

It’s often easy to get bogged down in jargon when discussing a shoe and all brands have their names to describe key features, here in the CYKLON ‘Dynamic Cage’ is a buzzword and one of the key USP’s of the shoe. Working with a supremely comfortable and secure sock-like fit, the Dynamic Cage holds the foot like no other shoe I have tried, it is as good as VJ Sport ‘Fitlock’ but at the same time, completely different.

The midsole is EVA Memlex which helps absorb shocks, offers protection through double density and it also has stabilization inserts.

The outsole is FriXion XF 2.0 with 7mm lugs which clearly shows what the CYKLON is for – challenging mountain terrain that includes mud, snow and/or ice.

The upper has 4-way mesh and has a multi-layer side panel overlay. It’s all about foothold and protection and while it’s too early to comment on longevity and life, the CYKLON upper screams durability. This is only emphasized at the form of the shoe with a real sold toe bumper and the rear where the overlay gives way to the sock-liner.

THE SHOE

The CYKLON is actually a little tricky to get on, a little like putting neoprene socks on. It is worthwhile just taking an extra minute to ensure you have your foot in the shoe correctly and that the sock-liner is adjusted, a yellow tab helps you pul them on. The sock liner does come above ankle height, so, you may want to consider what sock length you use.

First impression is the incredible hold of the foot. This is even before the BOA is adjusted. It’s like sliding your foot in to shoe gloves. Turning the BOA, the shoe tightens to the foot via 4 key points. The bottom one is fixed, the other 3 are independent and move according to foot shape and applied tension from the BOA – this is the Dynamic Cage. Quite simply, the more you turn the dial, the more secure the foothold. I have tested multiple shoes with a BOA system before and one of my constant complaints was that I often felt I couldn’t get the foothold I wanted, not so in the CYKLON. The foothold here as stated previously, is up there with the best and this is due the sock-fit and the Dynamic Cage working in harmony.

I was worried at the rear of the shoe where the overlays for the heel stop and the sock-liner starts. Hold for the heel is excellent but I did wonder if I would have an issue? The answer was no. Hold and comfort was superb.

There does feel just a hint of arch support in the shoe. It’s nothing crazy and for someone who uses neutral shoes, it caused me no issues or problems. As mentioned, there is some stability added to the midsole and this all comes down to La Sportiva making sure you have a secure and resilient shoe that can handle the terrain that the shoe is designed for.

Width up front is a 3 on a 1-5 scale, 1 being narrow/ precision and 5 being wide. For me, a 3 fit it about right based on the intended use – technical and challenging terrain of mid distance.

The 20-28 cushioning is more than I anticipated as is the 8mm drop. When running on mountain, skyrunning and technical terrain a shoe with more ground feel and lower drop is usually preferable, say 18-24 with 6mm drop! However, the CYKLON excels on the rough stuff giving a very confident and secure feel and they adapt to quick changes of direction. The FriXion outsole with 7mm lugs works superbly. Interestingly. AT Grip Spike can be added to the outsole for use on icy ground. The footbed is Ortholite and specifically designed for mountain running.

IN USE

I have 124km in the CYKLON and this is a first impression review. There are two key features which I want to rave about:

The sock-like fit is superb.

The BOA system Dynamic Cage is incredible and holds the foot like no other.

The 2 features above are stand out and on all my runs, this security and foot hold has put a huge smile on my face. Tree roots, rocks, mud, climbing, descending and so on, the CYKLON just holds the foot and gives complete confidence. The downside is that all these layers and hold make the shoe run hot! I could feel that the heat generated when running had difficulty to escape despite the breathable upper. Quite simply, the anti-abrasion mesh and TPU reinforcements all add up. I did a challenging and technical 26km run that had me out for 2h 45min and while I had no pain, irritations or discomfort, my feet were noticeably hotter than in other shoes.

BOA is always going to turn some people off, I get it, laces work, are simple and you snap one, you can easily replace it… BOA has come a long way in recent years and here on the CYKLON I can see the advancement and in all honesty, I don’t think the foot hold in the CYKLON would be as good if provided by laces – the BOA brings a whole new dynamic to the shoe and I am completely sold. For perspective, BOA do offer a full guarantee on the system. Here they use a L6 dial and TX4 lace and I asked the question, ‘what if a lace breaks?’ Quite simply, BOA replied, ‘A lace snapping is highly unlikely, however, should it happen, you can just tie lace together (as you would with any lace), and this will work.’ One of the great things about BOA is the ability to adjust quickly on the go, especially useful in cold weather. We all experiences laces coming undone, it’s a pain to stop and do them up again. With BOA they will not come undone and if you need to tighten, you just stop, bend down, turn the dial and off you go.

Cushioning in the CYCLONE is on the firm/ protective side and considering the intended use, probably comes as no surprise. However, I did expect a little more bounce? However, with 50km on the shoes, I found them more responsive – they are not plush or bouncy. They are solid, secure, and reliable and trustworthy. Again, this is a shoe designed for mid-distance and not long distance. Certainly, I found 3-5 hours perfectly comfortable. I haven’t gone beyond that time in the CYKLON yet. There is some support in the shoe and that can be felt when the terrain becomes very challenging, it helps guide the foot, not control it.

The outsole is solid, reliable, and durable. It’s ideal for mountain terrain and excels on rock and technical terrain, particularly in conjunction with the foot hold and BOA system.

SUMMARY

The CYKLON is somewhat unique in that it almost occupies its own category, almost a crossover between mountain running shoe and boot. It excels in challenging terrain with incredible foot hold, protection, and a great outsole. Standout features are the sock-like fit in conjunction with the BOA/ Dynamic Cage which provided me with arguably one of the most secure footholds I have experienced.

Intended for mid-distance, I see the CYKLON as a great shoe for any mountain adventure, long or short. It’s crossover capabilities and weight would have me choosing this shoe over a boot, particularly if I wanted to hike fast in the mountains.

Climbing and descending is solid and reassured.

All-in-all it’s a great shoe and La Sportiva fans, particularly those who have used the Mutant are going to love.

The downsides for me are that the shoe runs hot and particularly in summer months this could prove to be an issue? It’s not the lightest shoe and despite the amazing foot hold, it probably doesn’t feel like a nimble and light race shoe, so, if looking to race, another shoe may be preferable? Day-to-day mountain adventures, fast or slow, the CYKLON will be a great addition to any shoe rotation.

Website here

Price 185 euro

The shoes were provided free for testing purposes and this is not a paid review or promotion.

Please support this website. I believe everyone deserves to read quality, independent and factual articles – that’s why this website is open to all. Free press has never been so vital. I hope I can keep providing independent articles with your help. Any contribution, however big or small, is so valuable to help finance regular content. Please support me on Patreon HERE.

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