Altra Solstice XT 3 Review – A gym shoes that’s also a running shoe?

The Altra Solstice XT 3 transitions effortlessly from gym sessions to road runs. With its flexible forefoot, secure heel lock, and roomy toe box, it offers the perfect blend of stability and comfort for any workout.

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Weight

10.4 oz/ 296g for men’s US9.6

Stack height

23mm stack height
Zero Drop

Made for

Gym + Crossfit
Road Running

Fit

Avarege Volume
Average midfoot
Wide Toe box
True to size

Feel

Flexible for a cushioned shoe
Firm underfoot
Stable platform

Pros & Cons

+ Flexible
+ Durability
– Heavy


The Altra Solstice XT 3 is a versatile powerhouse that caters to both gym enthusiasts. However, did you know it could also work as a road runner? 

That’s what I’m here to convince you of.

With a 23mm stack height, it sits right in the range of Altra Escalante 4 and Racer 2, but it differs from both. 

Whether you’re lifting weights or hitting the pavement, this is interesting for you.

Curious about its fit, feel, and durability? Let’s dive into the details.

Fit

True to size with a twist for wider feet. My general advice would be that the Altra Solstice XT 3 runs true to size. However, some of you with slightly wider midfoots and deeper feet may want to go up ½ a size. This is a common theme with many Altra models, so if you’ve worn Escalantes, Superiors, or Torins, I suggest going with the same size as in the past. 

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A spacious toe box for natural toe splay. As always, Altra features a nicely squared-off toe box, which allows your toes to spread naturally. This has benefits during your long runs but also proves beneficial during dynamic gym workouts, preventing pinching and crowding of the toes. 

Its wider midfoot differs from other Altra models but is still narrow. My biggest grip with the Escalante models, and most Altra’s for that matter, is the narrow midfoot. I’m not going to pretend that the Solstice XT 3 has a wide midfoot by any means, but it’s more forgiving than other Altras. For a more personalized fit, loosening the laces around the 2-3 eyelets can enhance comfort, allowing you to tailor the snugness to your preference. 

altra solstice xt 3 tongue

Secure heel lock-down for stability. An Altra heel cup that almost works! It’s not perfect, but the cushioned bumpers around the ankle offer a decent heel lock. This fitted heel minimizes unwanted movement that could lead to discomfort or injury. I still used a lace lock to further enhance the shoe’s hold around the heel, reducing the likelihood of heel slippage during lateral movement.

Depth accommodates higher volume feet. The open design of the tongue and lacing makes the volume adaptable, which is a welcome change. This shoe’s depth will accommodate a wide range of feet, ensuring no tightness or pressure. Take note if you’ve had pressure over the top of the foot in the past. 

Merrell Vapor Glove 6 outline

Altra Solstice XT 3

Feel

A fully flexible forefoot allows for natural foot movement throughout the gait. This is the one reason why many barefoot runners will enjoy the Solstice. Unlike the more rigid Escalante Racer 2, this shoe offers increased forefoot flexibility, facilitating smoother transitions and a more responsive feel during dynamic movements.

altra solstice xt 3 durability

Balanced stiffness for stability. Striking a commendable balance between flexibility and firmness, the Solstice XT 3 enhances stability during gym workouts and running. This balanced stiffness benefits exercises requiring a stable base, such as weightlifting, where a firm stance is crucial.

Reliable grip for diverse surfaces. The full rubber outsole, while heavy, provides excellent traction across various surfaces. In gym settings, the traction helps maintain balance during dynamic movements, while runners appreciate the grip on dry and wet pavements. Yet again, this is another bonus over the Escalante models, which only have partial outsole rubber coverage underfoot. 

altra solstice xt 3 upper

Cushioning with 23mm stack height. The firm 23mm stack height plays a significant role in cushioning and responsiveness. A solid base for lifting and gym work, but cushioned enough to do your longer runs in. Even though 23mm may sound deceptively high for some barefoot runners, the flexibility makes this feel like a shoe closer to the ground. 

The weight of the shoe is the only real drawback. Coming in at 296g for a Mens US9.5, it’s much heavier than other Altra running shoes. This could be a deal breaker for many of you, and I get it. A light shoe is almost always better. But with all the other benefits, it’s still a shoe to consider.

Merrell Vapor Glove 6 outline

Altra Solstice XT 3

Durability

The robust full rubber outsole looks good to last. The durability of the Solstice XT 3’s outsole is notable, thanks to its robust full rubber construction. This material withstands wear and tear from frequent use, ensuring reliable performance in the gym and running on pavements.

Resilient and firm midsole, which won’t pack out any time soon. The midsole is engineered with a firm structure that won’t break down like some of the softer foam we see on the market right now. It’s not the latest and greatest technology, but it works. This will be a bonus for many of you who are sick of changing your shoes every 500km.

altra solstice xt 3 heel

A forgiving and flexible upper with a ton of overlays for protection. The base material of the upper is a soft, flexible plastic weave. However, protective overlays, particularly around high-wear areas like the toe cap, reinforce the shoe’s structure, preventing premature wear and tear. You won’t find this kind of protection on non-trail shoes anywhere else.

Potential wear points to consider. Despite its durability, potential wear points exist, particularly concerning the inner liner. The inner liner is fairly abrasive, likely to enhance the heel lock. But, any movement in this area could lead to abrasion and wearing through the liner early. 

Merrell Vapor Glove 6 outline

Altra Solstice XT 3

Conclusion

It’s clear why the Altra Solstice XT 3 would work in a gym environment. But I want to encourage some of you runners out there to try it, too!

If you’ve found the fit of Escalantes too restrictive or the lack of flexibility in the Escalante Racer 2 to be a disappointment. Take a look at the Solstice! 

The only caveat I must give is the weight. It’s not a lightweight shoe. While you get a ton of durability for this weight, you may not find the floating feeling in these shoes. 

Merrell Vapor Glove 6 outline

Altra Solstice XT 3

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Nick
Nick

Nick is a UESCA-certified ultramarathon coach and avid barefoot runner, having over 5 years of experience in barefoot training and has competed in multiple ultra marathons wearing barefoot shoes. Starting his journey in the running industry over 10 years ago in New Zealand, Nick evolved from a running shoe salesperson to a passionate advocate for the transformative power of barefoot running. He believes in its potential to enhance running experiences for all and combines his unique insights from both personal achievements and professional coaching to guide and inspire the running community."

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