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Diadora Vortex Racer Shoes

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Item # DIA0037

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Item # DIA0037


Diadora was founded in the Italian town of Caerano in 1948. This small district was known in those years for being a real testing laboratory where skilled craftsmen made custom hiking boots for people throughout the region. Diadora has come a long way since then, but its ethos of being distinguished through high quality, attention to detail, and the use of innovative materials hasn't wavered, remaining the same today as it was when it started out more than 60 years ago. Today, in addition to specializing in the production of footwear for tennis and soccer players, Diadora devotes itself to crafting some of the most technically advanced cycling shoes in the world. Just take a look at images of 2011 Tour winner, Cadel Evans, and you'll see that he was, and still is, relying on his Diadoras to propel him to victory.

The Diadora Vortex Racer Shoes sit just below the its marquee Jet Racer. One of the main differences between the models comes down to the closure system, which is often a matter of individual rider preference rather than a performance issue. Simply put, the Jet Racer received two hook-and-loop straps with a ratcheting-buckle top closure, whereas the Vortex Racer utilizes a single hook-and-loop forefoot strap paired with a Boa closure. In case you hadn't noticed, Boa is highly selective as to who it licenses its products to, making the Vortex Racer the perfect shoe choice for riders that need the personalized comfort and support that only this system is able provide. Boa incorporates a steel wire, nylon guides, and a mechanical rotor in order to control the retention at the top of the tongue. And with a simple and quick turn of the dial, your retention is made secure and unwavering, providing the most even, forgiving, simple-to-use, and precise retention on the market.

Moving down from the closure system, Diadora built the Vortex Racer shoes around its Shape Race last. This fit forms precisely to your foot, providing just the right amount of arch support with forefoot and midfoot hold, as well as secure heel retention. Forming this comfortable cradle on the foot is the company's Suprell-Tech and Morpho Cage AM design. Essentially, this is a supple leather and lightweight mesh 'space frame' construction that supports pedaling motions with its ultra-stable and breathable composition.

Diadora chose to mate the Vortex upper to its Diapan Technology, Racer CR sole. This composite-reinforced platform incorporates the company's new NET Breathing System, which is a network of synthetic fibers molded around a breathable and waterproof membrane. This patented ventilated design allows an increased capacity of rider perspiration, while preventing moisture, mud, and other external elements from penetrating the sole and getting into the shoes. The design of the sole also keeps stack height and weight to a minimum, while maintaining incredible rigidity for direct transmission of power to the pedals.

The heel pad is made of a firm replaceable rubber compound known as Duratech, which provides excellent surface grip and high abrasion resistance. Hi-Vent insoles complete the Vortex Racer Shoes, giving you maximum support, ventilation, and comfort in all weather conditions. They're also 100% waterproof, so now you have no excuses for not riding in the rain.

The Diadora Vortex Racer Shoes are available in odd and even sizes ranging from 37.0 to 47.0 and in the colors Black/white and White/black.

Tech Specs

Claimed Weight:
259 g
Boa, hook-and-loop straps
Upper Material:
[upper] Suprell-Tech
Recommended Use:
road cycling
Hi-Vent insole
carbon composite, NET Breathing System
Manufacturer Warranty:
1 year
Cleat Compatibility:
3-hole road

Size chart


Cycling Footwear
EUUS MenUS Women
36 4 5.5
37 5 6.25
38 5.5 7
38.5 5.75 7.5
39 6 8
39.5 6.5 8.25
40 7 8.5
40.5 7.5 9
41 8 9.5
41.5 8.25 9.75
42 8.5 10
42.5 9 10.5
43 9.5 11
43.5 9.75  
44 10  
44.5 10.5  
45 11  
45.5 11.5  
46 12  

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Here's what others have to say...


Light and confortable

  • Gender:Male
  • Familiarity:I've used it several times
  • Fit:Runs small

This shoes rides, looks and feels great. I attach them Yellow Shimano SPD-SL Cleat Set and they were ready to roll. I used to wear Giro's and it was hard to move to another brand, specially Diadora. But I'm pretty happy with the brand and the shoe. If you're moving, you should order half size low. I'am EURO 44, and this Vortex Racer seems a little bigger.

Light and confortable