The Diadora Mythos Blushield Vigore V is a surprisingly smooth, premium stability running shoe designed for daily training.

Do you need more stability in your stride?

Stability shoes used to be a big deal in the world of running shoes. Some estimates suggest that, as of about 2012, as many as 40 percent of runners were wearing shoes that were built with technology (often a rigid medial post or a guide rails system) to help stabilize the path of a runner’s feet through the gait cycle. 

The idea was born out of rudimentary and not-so-relevant running gait science of the 1970s and 1980s that suggested a lot of runners’s feet were excessively overpronating or rolling inward between heel-strike and toe-off.

Fortunately, that was then, this is now.

Especially in the past five years, new foam technologies, wider shoe footprints, and new shoe construction techniques have helped make a lot of neutral-oriented shoes very stable, even though softer, bouncier midsoles have also made them more lively. 

That’s been great across the board, but some runners still need—and also appreciate—a sturdier, more supportive ride. That includes me as of late, as I have been fending off a bout of runner’s knee for a few weeks. I’ve found the Diadora Mythos Blushield Vigore V to be just what the doctor (would have) ordered. (After all of my years of running, I don’t need to see my PT or doctor to get over runner’s knee.)

A modern daily trainer with a blend of softness and security, it’s helped stabilize my gait amid a period of lower-mileage volume and an increase in specific strength work to secure the movement of my left foot and how that impacts my left knee. No, I’m not suggesting it’s solving my overuse injury, but I am saying it’s helped solidify and realign my gait pattern.

What’s New: The Diadora Mythos Blushield Vigore V is a premium, maximum-cushion stability running shoe designed for daily training, offering enhanced comfort and support for overpronation. The biggest change is the new dual-compound midsole foam package that brings this shoe into modern times. The midsole now features a top layer of supercritical Anima N2 foam, which Diadora says is 30 percent more responsive and 20 percent lighter than standard EVA, while the bottom layer is a thick EVA Light material that offers shock-absorbing stability.

The key to the midsole chassis is the updated Blushield N2 technology, which is a special configuration of how the two foams align that offers pronation control without sacrificing all softness and energy return. That two-layer build-up is designed to cradle the foot and balance any uneven, asymmetrical behavior and then converting it into a more efficient, neutral stride. 

Diadora Mythos Blushield Vigore V Specs

Price: $190
Approximate Weights: 9.3 oz. (women’s size 8), 10.2 oz. (men’s size 9)
Heel-Toe Offset: 11mm; 39mm (heel), 28mm (forefoot)

Fit/Feel/Ride: The Diadora Mythos Blushield Vigore V fits true to size with a medium volume interior, but it seems to run a tad on the short side in the toe box. (It comes in a singular medium width, but even with my narrow feet the forefoot shape seemed cramped enough that I wanted to try this shoe a half-size up.) The step-in feel is a mix of soft, cozy and sturdy, thanks to a medium-padded gusseted tongue, padded heel collar, premium sockliner, and an extra layer of dense foam covering the strobel board that sits above the midsole.  

When it comes to the ride, you have to temper your expectations. This Mythos Blushield Vigore V is a shoe that is built for stability, durability and comfort first, performance and agility second. That said, for such a big shoe with a lot of girth, it’s surprisingly smooth. Smaller runners and runners who are light on their feet might not sense that, but taller and larger runners and those who are heavy heel strikers will definitely sense that. It offers limited energy return at all paces, but it still feels better than how many stability shoes have through the years.

Why It’s Great: The ride is imminently stable and secure but it doesn’t give off a stick, blocky sensation. The modern Blushield stability device embedded in between the distinctly different midsole materials and the modern medial post give it just enough softness and just enough firmness where it matters most. And because the forefoot is considerably lower to the ground, it allows you to lever through into the toe-off phase of a stride and really engage the softer, more responsive top player of foam. 

Why You’ll Love It: This is not a shoe that’s able to run faster paces very well, but it provides a very stabilizing and comfortable ride at moderate to slower places. The weight and geometry of this shoe didn’t allow me to push it faster than 8-minute mile pace (and even running that fast was a pretty big challenge), but I appreciated the stability in my stride (especially my left foot and knee) running 8 miles at 9:15 pace. There was an inkling of forefoot liveliness at the faster end of my range, but that seemed to fade away as I ran slower paces. That seems like a fair tradeoff, given that it’s a rather one-dimensional shoe.

Why You Might Not Like It: The most polarizing aspect of this shoe is probably the high, 11mm heel-toe drop. While that’s designed in conjunction with the dual-density midsole and aimed at creating an extreme stable ride, it might feel uncanny under your feet if you’re used to running in shoes with a more moderate 4mm to 6mm offset. 

Pros: This is an extremely durable shoe, one that I might never wear out. Aside from the inherently durable midsole setup, the shoe has a lot of rubber coverage on the outsole and a wide footprint, which are both factors that will add to its longevity. The upper, with subtle reinforcements over a sturdy mesh fabric, provides long-haul comfort and strength. 

Cons: While the Mythos Blushield Vigore V has a modest amount of flexibility that allows for a smooth ride through the gait cycle, this shoe isn’t going to feel very light, vibrant, or agile. In fact, it can feel slightly heavy to downright stodgy and firm, depending on the training shoes you typically run in. But that’s the cost of a smooth and stable ride.

About the Author
Contributing editor Brian Metzler is the Content Director for UltraSignup.com. He has wear-tested more than 2,000 running shoes and is the author of “Kicksology: The Hype, Science, Culture and Cool of Running Shoes” (2019) and “Trail Running Illustrated” (2021). He has raced just about every distance from 100 meters to 100 miles, but he’s most eager to share stories about his experiences pack burro racing in Colorado and riding trains to run trails in Chamonix, France.

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