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8.0 oz. (226g) for a US M9 / W10.5
12mm in heel, 12mm in forefoot (0mm drop)
Easy to medium trails
ESS rock guard, reinforced mesh upper, foot-shaped toe box
Available August 7, 2026, for $125

JOHN: I get asked all the time, “What’s your favorite shoe?” “If you could be endorsed by any brand, which one would you choose?” and “What is the best shoe?” My answer is always the same: I’m just happy to review shoes because, at the end of the day, I love to run. I always try not to pick favorites but to stay impartial so I can review shoes with a clear head, free from bias.
That said, there is one company that has a special place in my heart: Xero. People who wear Xero remind me of Kane from Kung Fu, walking the Earth. They aren’t in a rush. They care about health, the environment, and living intentionally. They aren’t consumed by chasing PRs or self-promotion. I’m not fully there yet, but if I ever went all in on one shoe brand, it would probably be Xero. I appreciate what every company brings to the table, but Xero is the closest thing to my shoe soulmate.
I also run a lot, so Xero’s 5,000-mile sole warranty is incredibly appealing. If you’ve worn Xeros, you know the outsole is about as close to indestructible as it gets. They’re different from traditional running shoes that are often replaced after just a few hundred miles, and that’s part of what makes the brand unique. I also like what the company stands for and its focus on reducing waste and encouraging natural movement.
Because I hold Xero in such high regard, I also hold it to a high standard. One of the hardest parts of being a reviewer is separating personal feelings from honest evaluation. I’ll do that in this review, but I wanted to explain why Xero resonates with me, because I think it becomes part of the shoe’s soul and the bigger picture behind the brand.

JOHN: I ran in the Mesa Summit for nearly all six hours of the Endless Summer 6-Hour Run at Quiet Waters Park in Maryland. Right out of the box, I logged 25.5 miles in it. I only bring this up to show I’m not blowing smoke or just talking. I legitimately spent six hours in the shoe and had a very enjoyable experience.
My biggest takeaway from the Mesa Summit is how well it balances a natural feel with underfoot protection. That’s always been a difficult line for Xero to walk. In previous models, if you landed on just the right rock, it could honestly feel like torture. To address that, Xero added an ESS rock guard that protects your feet without taking away the natural ride. It’s not bulletproof, but compared to previous models, it’s a huge improvement.
One of Xero’s biggest strengths has always been the fit: roomy where it needs to be, yet securely locked down. Even Xero’s biggest critics have to appreciate the comfort here. You get plenty of room in the toe box along with a secure heel and midfoot lockdown. The fit is genuinely special. One criticism often aimed at minimalist shoes is that they feel like slippers or just a pair of socks. That’s not the case with the Mesa Summit. The abrasion-resistant, reinforced-mesh upper provides real structure and durability. To recap, the Mesa Summit protects you from above and below while still allowing for natural foot movement.


The look of the Mesa Summit may be my favorite Xero design I’ve reviewed. It’s subtle, but I really like the purple Xero logo and the way it fades into the gray. The Asphalt/Multi colorway looks fantastic on what is already an incredibly well-thought-out shoe.
This probably doesn’t even need mentioning, but I’ll say it anyway: the outsole shows almost no wear after more than 25 miles. It also handled short road sections better than I expected, though I’d still recommend it primarily for easy-to-moderately technical trails. That durability was refreshing. I’ve reviewed a few shoes this year that looked beat up after only 20 miles. I know that doesn’t matter to everyone, but I do take offense when a shoe over $100 feels disposable.
I also like the pull tab. It’s not a major feature, but I appreciate it because it makes the shoe easier to get on. I’m always happy when a shoe includes one. It’s a quality-of-life thing, what can I say?
At $125, the Mesa Summit is an outstanding value. Even if you primarily use it for hiking, walking, work, or casual adventures, I think it will last a very long time. As for me, I plan on keeping mine in my car as my go-anywhere adventure shoe for running, hiking, playing with my kid, or whatever the day throws at me.
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JOHN: Xero is reaching a lot of runners who, in the past, may have been reluctant to embrace the benefits of natural fit, feel, and movement. From both a feature and value standpoint, I honestly think there’s no reason not to own a pair of Xero shoes, even if it’s just for walking or as a rotation shoe for easier runs to help strengthen your feet.
The biggest challenge I see with the Mesa Summit isn’t the shoe itself; it’s the philosophy behind it. My only legitimate criticism is that I’m personally reluctant to use it on extremely technical terrain such as the Mid State Trail in Pennsylvania, the Devil’s Path in the Catskills, or the White Mountains. That’s more about knowing my own limitations than anything the shoe can’t do. I’m not saying the Mesa Summit isn’t capable of those places, but I know I perform better in a more traditional trail shoe when the terrain gets that demanding.
I’ve used minimalist shoes on difficult courses before. I’ve run The Ring at Massanutten, and I’ve even finished the Waterfall 50K in sandals. I’m not saying that’s wrong, but I’m also not saying it’s right. Just be smart and know your limits. The same applies to speed. I’m simply not able to run as fast in the Mesa Summit as I can in a more performance-oriented trail shoe. Is it impossible? Absolutely not. I’m sure there are athletes doing incredible things in Xero shoes. I’m just sharing my experience.


More than anything, I think Xero faces an ideological hurdle rather than a product one. Many runners want maximum cushioning, comfort, and speed the moment they lace up a shoe. Xero asks you to think differently about how a running shoe should feel, and that can be a difficult sell.
Xero has a clear design philosophy, and I think they execute it extremely well. The Mesa Summit isn’t trying to be an Alphafly, an Endorphin Speed, or a Brooks Ghost. It isn’t even trying to be like many other zero-drop shoes on the market. It’s doing its own thing.
That means you’ll have to give up some of the expectations you’ve developed from conventional running shoes. Xero isn’t trying to be conventional, and I believe that’s one of its greatest strengths. At the same time, it’s also the company’s biggest challenge, because not everyone is willing to embrace a fundamentally different approach to running.
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JOHN: This is the finest Xero shoe I’ve ever reviewed. My biggest critique of previous Xero models has always been that while I loved the natural feel of the ride, I wanted a little more protection. The Mesa Summit strikes that balance better than any Xero I’ve tried. It preserves the natural feel that defines the brand while adding protection where it’s needed without taking away from the experience. You can tell a tremendous amount of thought went into this shoe.
If you’ve been curious about Xero because its philosophy appeals to you, but have been hesitant to make the jump, I think the Mesa Summit is the best place to start. In many ways, I don’t think Xero’s biggest challenge is making a better shoe anymore; I think it’s convincing runners to embrace a different way of thinking. Zero-drop shoes are in flux right now, and while many companies offer zero-drop options, none deliver the same combination of natural fit, feel, and movement that Xero does.
Even if you aren’t sold on the Xero philosophy, it’s hard to ignore what the company is trying to accomplish. They prioritize foot health, environmental responsibility, and value while staying true to their vision instead of chasing trends. Whether that philosophy is right for you is a personal decision, but it’s difficult not to respect the thought and craftsmanship behind it.
I encourage anyone reading this review to give the Mesa Summit a chance. If you’re dealing with recurring injuries, are disappointed with modern running or walking shoes, or simply looking for something that feels authentic and different, this is a shoe worth trying. Even if you ultimately decide Xero isn’t for you, I think you’ll come away with a better appreciation for what the company is trying to accomplish and why so many runners have embraced a different way of thinking about movement. And, at $125, I think the experiment is worth the cost.
You can pick up the Xero Mesa Summit for $125 on August 7, 2026, from Xero by using the buttons below.
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An obsessed runner, John has run in most ultra races in the Mid-Atlantic area. Since he’s an ultra runner, it’s no surprise he’s also a lover of food. He’s also a dedicated father, caregiver, and veteran.
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