MTL Long Sky 2 Matryx Trail Running Shoe - Men's
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Why We Like The Merrell MTL Long Sky 2 Matryx Trail Running Shoe
Made for elite Merrell athletes, the MTL Long Sky 2 Matryx Trail Running Shoe turns up the performance while trimming ounces off our feet. This evolution of the Long Sky 2 features ventilated mesh uppers made from a blend of Kevlar and nylon for a lightweight build that's nevertheless highly abrasion resistant to protect our feet as we rip through brush and run over rocky trails. The midsoles are made from Merrell's premium FloatPro foam for lightweight cushioning while the outsoles feature the premium wet and dry traction of Vibram Megagrip rubber. It's also a vegan-friendly shoe that's made in part with recycled materials to reduce our environmental impact as we get out there.
Details
- Lightweight trail shoe made for elite athletes
- Mesh uppers are light and abrasion resistant
- FloatPro midsoles reduce impact
- Cleansport NXT treatment to control odors
- Soft tongue takes pressure off top of foot
- 4mm drop reduces heel cushion for more natural landings
- 5mm lugs dig into soft trails and loose sediments
- Gaiter ring attachment
- Item #MERZ2UC
- Responsible Collection
- Recycled/Repurposed
- Upper Material
- Matryx (kevlar, nylon)
- Waterproofing
- none
- Closure
- lace
- Footbed
- ETPU
- Midsole
- FloatPro
- Sole
- Vibram Megagrip
- Support Type
- neutral
- Cushion
- moderate
- Heel / Forefoot Height
- 23.5 / 19.5mm
- Drop
- 4mm
- Claimed Weight
- [single] 8.3oz
- Manufacturer Warranty
- limited 1 year
- Activity
- trail running
Reviews
Q&A
What do you think about this product?
Overall Rating
4 based on 38 ratings
Review Summary
Fits True To Size
Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.Customer Images
Here's what customers have to say
The trail running shoe offers good performance and traction on various terrains. Many users praise its lightweight, responsive feel and durable construction, though some report issues with the fit and comfort, particularly around the heel. While generally considered a great option, the fit and durability concerns may be important factors for some customers to consider before purchasing.
AI-generated from the text of customer reviews.
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Selecting an option will reload the available reviews on the pageSeptember 9, 2025
Wish they felt as good as they look
- Familiarity:
- I've used it once or twice and have initial impressions
- Size Bought:
- 8.5
- Height:
- 5' 5"
- Weight:
- 140
I was super pumped to try these when I got them (look great, lightweight, breathable). Opened em, put them on, and tossed the box. Walked around the house and at the time I’d give them an 8/10 comfort rating. I have a trail race coming up in 2 weeks so I wanted to get used to running in them. 10 mile out & back run. Got through 3 miles and right foot started blistering on the heel. Sucked it up and kept going. About a mile later, the same on my left. I have “Bauer bumps” on my heels from 20 years of hockey skates, so blisters aren’t uncommon when I wear dress shoes, but I have not once gotten a blister from running shoes in that same place. I lace with a heel lock, there was definitely no movement from that perspective. I suspect it’s the construction of the padding on the heel where it transitions from the body of the shoe to the padding - it hits right in the wrong spot for me and isn’t a particularly seamless/smooth transition. Unfortunately, these aren’t the shoes for me. Not even sure if I can return at this point - otherwise just a paid lesson learned.
September 4, 2025
Golf shoes that grip
I bought these to be my golf shoes. Absolutely love them. They grip the ground and are so comfortable that it almost feels like I'm not wearing shoes.
Originally reviewed on Merrell
September 2, 2025
Great, high performance shoe, slightly too narrow
So far I have put 50 miles of technical single track on my Long Sky 2 Matryx. They are amazing shoes for technical trail running, if they fit (more on that in a minute). They have near perfect specs for me - stack, outsole, upper material - these are all fantastic. The midsole foam is a perfect density with just the right amount of cushion to take the edge off of sharp terrain without losing ground feel. In addition to amazing grip and outstanding ground feel, the upper functions better in rain/wet conditions than any shoe I've had. The Matryx material drains water so fast creek crossings are not a problem and the ventilation keeps my feet cool in hot conditions. They have one downside though, at least for me, and as a result I can't really use these for runs longer than 10 miles or so. The midfoot is just too narrow. The shoes have nice vertical volume in the toebox and the heel retention/lockdown is outstanding, but they just squeeze my metatarsals so much I end up with achy feet if I wear them for too long. My feet aren't exceptionally wide or anything either. The shoe itself runs a half size too long, but I couldn't size down because they were way too tight across the midfoot. It's a total bummer because otherwise I think this is one of the best performing technical trail runners on the market and I've tried all the competitors. Merrell, if you're listening, please offer these in a wide fit, or build them on a more anatomical last, or just expand the platform width at the midfoot (I've compared it to a couple other well known, high end shoes and these are noticeably narrower). That would make them nearly perfect.
Originally reviewed on Merrell
August 29, 2025
Former years were significantly better.
New materials and lack of padding in the heel Cup.
Originally reviewed on Merrell
July 6, 2025
Great Shoe
Very good. Surprised at rock protection for how little stack. Bummer it runs long and easily gets debris into the shoes. If bought again, would go down half size.
Originally reviewed on Merrell
June 21, 2025
Very stable on technical trails
Has very good stability and low center of gravity which is the main criteria trail shoes should be judged by for the technical southwestern US terrain. The trend nowadays is to go with more cushioning and thicker soles. Hard to find shows with lower stack heights that still provide a good amount of support.
Originally reviewed on Merrell
June 13, 2025
Sockliner Squeak!!!
I hardly complain about Merrell MTL products because they're pretty fantastic for me, but I just received my Long Sky 2 Matryx in Mantis a couple of days ago and had to say something. I'm not sure who in the R&D department thought the bottom material of the sockliner was a good idea, but OMG I had to replace them almost immediately! They are so smooth and shiny that they sound like you're opening and closing a styrofoam cooler with every step! It is the most annoying sound you can have on a trail, lol. Thankfully I kept the insoles from a different pair of sneakers. Otherwise I love the Matryx version of these shoes, I feel like they corrected a lot of the for issues I encountered with the regular version. But wow that squeak is crazy!
Originally reviewed on Merrell
May 28, 2025
LongSky INDEED
They feel so light walking around all day in a warehouse environment, it’s literally LongSky
Originally reviewed on Merrell
May 26, 2025
MTLLong Sky 2 Matryx
Excellent design, quality, and fit. Hiking—all-terrain…
Originally reviewed on Merrell
May 17, 2025
Disappointed
I purchased these shoes recently and am finding them, as another reviewer noted, unwearable. I developed a heel blister from a seam and for the first time i am disappointed with a Merrell shoe (I’ve owned quite a few pairs).
Originally reviewed on Merrell
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