Running Shoes

Diadora Chio 2 and Vigor V: Two Running Shoes Worth a Closer Look

A responsive neutral daily trainer and a faster-feeling stability shoe, both priced at $185, plus a look at the Italian brand's racing ambitions.

Diadora Chio 2 and Vigor V running shoes side by side on a concrete surface

Introduction

Diadora has been quietly building momentum in the running shoe market, designing and testing everything under one roof in Ciano San Marco, Italy. Two of its latest road shoes, the Chio 2 and the Vigor V, both land at $185 and take a noticeably different approach from much of the market: firmer, more responsive rides instead of the max-cushion softness trend. Here is how each one stacks up.

Diadora Chio 2: A Responsive Neutral Daily Trainer

The Chio 2 launched just weeks ago and positions itself against the softer daily trainers dominating the market right now. It uses a midsole built around EVA with supercritical EVA in the forefoot, giving it a peppy feel that encourages you to pick up the pace rather than settle into an easy shuffle.

Runner lacing up a lightweight neutral trainer on a paved road before an early morning run

Compared with the original, the fit has been widened, borrowing the comfortable step-in fit from Diadora’s number one selling shoe, the Nucleo 2. The supercritical EVA in the forefoot is also new, adding a little extra pop where it counts. The result is a shoe that feels firmer underfoot in a good way, one that testers found turned planned easy runs into tempo sessions.

Practically speaking, this is a single-shoe travel pick: light and cushioned enough for long runs, responsive enough for tempo work. Stack height is 38mm with a 5mm drop, and it is priced at $185.

Diadora Vigor V: A Faster Take on Stability

The Vigor V, the fifth version of Diadora’s stability shoe (the V also stands for velocity), launches in January. The goal was straightforward: stability has not benefited much from modern midsole compounds, so Diadora built a stability shoe that feels faster and more responsive than the standard fare.

Close-up of a running shoe midsole showing a contrasting foam layer along the inner edge

The stability technology works like stepping into sand: it gives where you need it under pressure, a bit like the independent coils in a mattress. A foam layer runs along the length of the shoe, and for this version it is now made with supercritical EVA, bringing some of that peppery neutral-shoe underfoot feel into the stability category.

Diadora has always designed with an eye toward controlling motion, even in neutral shoes like the Nucleo, where the brand describes the approach as inherent stability. The Vigor V delivers more of that in a package built for speed. It also carries a $185 price tag.

How They Compare

Both shoes share the $185 price point and Diadora’s responsiveness-first philosophy, but they serve different runners. The Chio 2 suits lighter-weight runners and cross country athletes who want a daily trainer with some bite, while the Vigor V targets runners who need guidance but do not want to sacrifice fun and speed.

Runner pushing the tempo on an open road with trees lining the horizon

If you already own a Nucleo 2 and find it too soft for uptempo days, the Chio 2 is the natural complement. If you need support in a daily trainer, the Vigor V’s supercritical stability layer makes it one of the more intriguing stability options arriving in January.

Beyond the Road: A Spike Built for Speed

The third shoe shown was a racing spike, and Diadora’s ambitions here are unusually serious. Spikes are not volume drivers, but the brand spent several years developing this one with a simple condition: it would only be released if it was the fastest spike in the world.

Track athlete racing on a red running track under stadium lights

Extensive lab testing in Italy and athlete testing suggest they may have gotten there, with responsiveness and propulsion figures competitive with the biggest names in the sport. The real-world proof came over the summer, when a prototype was raced in Europe in subpar conditions and produced two personal bests in a single week: a mile PR, followed six days later by a 5K PR in the rain in Belgium. For competitive younger runners, this is the kind of shoe that generates genuine excitement.

Conclusion

Diadora’s current lineup makes a clear argument: firmer, more responsive rides can coexist with genuine daily-trainer comfort. The Chio 2 is available now at $185, and the Vigor V arrives in January at the same price. For runners tired of the soft-shoe consensus, both deserve a spot on the try-on list.

Further reading

Related Reviews

Nike Pegasus Trail 5, On Cloudsurfer Trail, and Merrell Nova 4 running shoes on concrete

Running Shoes

Best Road-to-Trail Running Shoes: Three Versatile Options for Mixed Terrain

A practical guide to three road-to-trail running shoes that handle both pavement and mild trails, with clear strengths and trade-offs for different runner types.

6/27/2026
Three running shoes displayed side by side on concrete: Asics Gel Kayano 31, Brooks Ghost 16, and ON Cloudsurfer 7

Running Shoes

Best Running Shoes for Achilles Tendonitis: Three Options Explained

Three running shoes with different heel drops and support features designed to help reduce Achilles tendon pain during walking and running.

6/29/2026
Five women's running shoes arranged in descending staircase pattern on concrete

Running Shoes

Best Running Shoes for Women: Five Top Choices Ranked

A ranked guide to five women's running shoes, from versatile daily trainers to high-performance racing options, with real strengths and trade-offs for each.

6/27/2026