The La Sportiva Mutant. All shoe images: iRunFar/Bryon Powell
In terms of lengthy days within the mountains that contain each on-trail and off-trail journey over quite a lot of surfaces, it’s onerous to argue towards the La Sportiva Mutant ($185) for its grip, consolation, and sturdiness. Geared up with comparatively broadly spaced 6.5-millimeter lugs, the model’s FriXion XF 2.0 rubber outsole, and a novel wrap-around higher and lacing system that holds the foot securely, this shoe is assured whether or not transferring over strong rock, duffy forest trails, kitty-litter gravel, mud, and something in between. The deep lugs and sticky rubber have landed this shoe a spot in our Greatest Path Operating Sneakers for Mud information. The one surfaces this shoe isn’t snug on are pavement and hard-packed trails.
As somebody who admittedly doesn’t prefer to get pavement on her footwear and feels most at house on lengthy mountain runs that regularly embody some form of scrambling over steep rock or sliding down free path, I’d in all probability select the Mutant as my single shoe if I weren’t allowed to keep up a multi-shoe quiver. I’ve worn by way of at the very least 4 pairs over my mountain working profession and proceed to return to them even after testing numerous different footwear.
This isn’t a pure working shoe. The ten-millimeter drop is excessive within the path working world, however a little bit of rocker helps make it affordable for working. The stack top of 26 millimeters on the heel and 16 millimeters on the toe is lower than most of the ultra-cushioned footwear available on the market, nevertheless it permits for a close-to-the-ground really feel whereas nonetheless offering sufficient safety from rocks. That mentioned, there’s no rock plate, so should you land on a pointy rock, you’re going to really feel it. With an precise weight of 11.3 ounces (321 grams) for a U.S. males’s 9, it’s not a lightweight shoe, nevertheless it’s sturdy with a thicker higher that may stand as much as scrapes towards rocks, roots, and different fabric-destroying path obstacles.
The Mutant blurs the road between a real strategy shoe and a path runner. It has the stickiness and snugness of a shoe meant to be used on technical terrain and the construction, rocker, and suppleness to permit for snug working as nicely.
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La Sportiva Mutant Higher

A lateral view of the La Sportiva Mutant.
The La Sportiva Mutant wrap-around higher was distinctive when it first got here out, and stays so in a world the place built-in gaiters and sock-like uppers have gotten much less of an anomaly. As a substitute of a tongue, the medial facet of the higher easy wraps excessive of the foot and slides beneath the lateral facet. The lacing system brings the 2 items of fabric snugly collectively, comfortably securing the foot. Additional construction is supplied across the midfoot with overlays that join on to the lacing system. With a agency and structured heel and strong toe bumper, this shoe protects the foot nicely.
The higher is fabricated from AirMesh materials and is kind of thick. Surprisingly, even after I’ve run in scorching circumstances, I’ve by no means felt my ft overheat, and the footwear don’t dry a lot slower than most different path footwear. As somebody who often places holes in uppers earlier than destroying the remainder of a shoe, I’ve discovered that these last more than most.
The wrap-around type naturally creates considerably of a low gaiter across the ankle. It’s not as environment friendly at holding particles out as among the fashionable built-in gaiters, nevertheless it’s additionally not as onerous on the aesthetic sensibilities of most individuals. I discover I’ve to cease and empty my footwear out far much less typically when snowboarding down scree fields or traversing in any other case free terrain than the folks with footwear with extra conventional ankle collars.
It’s price noting that this shoe is tougher to placed on than most, so it’s unlucky that the heel loop is the one a part of the shoe that lacks sturdiness. Particularly when moist, it may well and can rip if yanked on too onerous when making an attempt to place the shoe on. For those who’re searching for a shoe you may slip out and in of simply, you need to steer nicely clear of those.
La Sportiva Mutant Midsole

A medial view of the La Sportiva Mutant.
In my thoughts, there’s nothing distinctive in regards to the La Sportiva Mutant midsole. It’s fabricated from an injection-molded EVA foam with TPU stabilizers across the sides of the heel. It’s not tremendous squishy, it’s not tremendous agency, nevertheless it strikes the steadiness of offering sufficient construction to confidently transfer over off-camber and technical surfaces whereas nonetheless having sufficient cushion to make working snug.
The 26-millimeter stack top on the heel and 16 millimeters on the toe additionally threads the hole between a extra technical strategy shoe and a working shoe. It’s a very good steadiness of cushion and ground-feel and low sufficient that the footwear by no means really feel tippy. Whereas I’m additionally a giant fan of the La Sportiva Askasha II for its equally grippy outsole, the thicker midsole makes it harder to regulate on off-camber terrain, particularly if it’s overgrown and I can’t see precisely the place I’m placing my ft and am staying upright extra by microadjusting ft on the fly than planning on the place I’m stepping.
The ten-millimeter drop could seem excessive to some, nevertheless it doesn’t really feel like an excessive amount of on the foot. I’m a reasonably common mid-foot striker when working, and I’ve by no means discovered it tough to roll by way of my gait with these footwear. This may need one thing to do with a little bit of rocker on the entrance finish of the shoe. It has much less of a rocker than the extra run-specific footwear from the model — suppose the comparatively new La Sportiva Prodigio Professional — however greater than the La Sportiva Bushido III, which actually does err extra on the facet of a climbing or strategy shoe.
La Sportiva Mutant Outsole

The outsole of the La Sportiva Mutant.
If I contemplate the La Sportiva Mutant midsole nothing to jot down house about, I’ll sing the praises of the outsole from the mountaintops I attain with them. Fabricated from the model’s FriXion XF 2.0 rubber with comparatively broadly spaced 6.5-millimeter lugs, these footwear keep on with every part. As is predicted with a correct mountain shoe, the rubber covers the whole lot of the underside of the midsole, offering each sturdiness and traction.
The tread sample consists of center lugs that resemble the ghosts in Pac-Man, and the lugs across the edges of the shoe are wider laterally to supply extra grip when pushing off or braking going downhill. The rear lugs are oriented in the wrong way from the entrance and dig into free surfaces nicely. On a latest journey to the mountains, my journey accomplice remarked that at any time when she noticed me slip somewhat bit, she knew that she was in all probability in for a fall, and the state of affairs proved true a number of instances over the course of a weekend.
To offer such excellent grip, the outsole rubber is kind of delicate, which additionally makes it much less long-lasting. The lugs put on comparatively shortly, particularly when worn on tough, rocky surfaces. Granite and sandstone are the worst offenders for shortly carrying out these outsoles. I think that if I had been to put on these footwear on prolonged runs on pavement, they might have a brief life.
Along with thriving on rocks, the outsole additionally performs nicely on softer surfaces like damp trails, mud, and sand the place the lugs can dig in.
La Sportiva Mutant General Impressions

A prime view of the La Sportiva Mutant.
If I do know I’m going out for an outing that may contain working, scrambling, off-trail and on-trail journey, and every part in between, I attain for the La Sportiva Mutant. Whether or not I’m wading by way of boggy marshland, clambering up steep rock, or working on precise path, I rely on these footwear to supply traction and hold me upright. Its versatility finds it in our Greatest Path Operating Sneakers for Mud information, and it’s onerous to discover a higher shoe for large mountain adventures.
The distinctive higher gives a safe, locked-in feeling that I admire on off-camber terrain, and I by no means fear about my ft sliding round. The outsole is likely one of the grippiest that I’ve worn and would, and do fairly often, belief it with my life. Lastly, the midsole is a bit of EVA foam that does precisely what it must by holding me low to the bottom whereas nonetheless offering sufficient cushion to let me do lengthy days on my ft.
For these mountain outings the place the precise working movement is vital however performs second fiddle to all the opposite various kinds of movement doable within the hills, I can’t appear to discover a shoe higher geared up to do all of it than the Mutant.
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Writer Eszter Horanyi checks the La Sportiva Mutants throughout a fastpacking journey within the San Juan Mountains in Colorado. Picture: iRunFar/Meghan Hicks