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Buyer's Guide

Diadora Trident Review & Sizing Guide

Published Updated

Buy the Diadora Trident when you find a Made in Italy pair on sale and want a retro runner that nobody else on your block owns; skip it at full retail when New Balance 990v6 or Karhu Aria sits at a similar price, and wait for sale because $230 retail has historically dropped to $69 in clearance $230 normally, I freakishly lucked out and found exactly my size and color choice for $69.

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Key facts

Heritage
1990s Italian retro runner with the trident heel cage; reissued through Barneys-era and modern drops.
Construction
Mesh and suede upper, full gum-bottom outsole; trident-shaped TPU heel cage and rubber overlays.
Made in Italy
Original Trident 90 drops carried Made in Italy; verify the country-of-origin label before paying heritage premiums.
Price
Retail around $230 at premium boutiques; sale clearance has historically hit $69 for size-lucky buyers.
Silhouette
Lower-profile than the N9000; a city-kid runner rather than a chunky dad shoe.
Availability
Thin US distribution; Diadora US carries select colorways and EU retailers carry deeper sizing.

Full breakdown

Diadora Trident is the brand's 1990s-era Italian retro runner: a low-profile mesh-and-suede runner with the brand's three-prong trident heel cage, a full gum sole, and a build that sits squarely in city-kid heritage rather than performance running territory. Owners who pulled the trigger on Made in Italy pairs at the original Barneys-era retail emphasize the full gum-bottom construction over phony partial-rubber sole shortcuts to me, non gum soles (just foam) and designs without actual rubber on the bottom are a huge phony corner-cutting con by the industry. Buy it for an under-the-radar retro runner with a real Italian heritage story; skip it if you cross-shop against modern cushioned runners.

FAQ

Is the Diadora Trident worth the full retail price?

It is worth retail only on Made in Italy pairs when your size is hard to find; otherwise wait for sale. The Barneys-era thread on the Trident 90 documents an owner snagging the pair at $69 from a $230 retail, and even the surface-level Barneys post treats the model as a niche pickup rather than a hype drop Barney's Diadora Trident 90. Pay retail only when you want a specific colorway in your size; standard Trident 90 pairs hit sale racks regularly and the brand's discount cadence rewards patient buyers.

How does the Trident fit, and should I size up or down?

The Trident fits close to true to size with a medium-width last; the mesh upper softens quickly and the trident heel cage holds the heel without lockdown issues. Owner posts on Made in Italy pickups treat the fit as standard rather than tricky POW Diadora Trident 90s, and the gum-sole construction adds enough underfoot density that the shoe wears comfortably for daily city walking. Wide-foot wearers should try the next half size up; the trident heel cage does not stretch.

Is the gum sole worth the heritage construction premium?

Yes, when you compare directly against partial-rubber retros that cut cost on the outsole. The Trident's full gum-bottom is the construction detail that defines the model and the one owners repeatedly call out as the reason to choose it over cheaper retro runners non gum soles (just foam) and designs without actual rubber on the bottom are a huge phony corner-cutting con. Pay retail when the gum sole sells you the shoe; choose a different retro runner when you want a cushioned modern midsole at the same price.

How does the Trident compare with the N9000 or other Italian retro runners?

It sits lower and slimmer than the N9000, with a more city-kid silhouette and a gum-sole construction that the N9000 lacks. Pick the Trident when you want a slim Italian runner that pairs cleanly with chinos and tailored denim; pick the N9000 when you want chunky retro proportions closer to a New Balance 99x. Both share the same Diadora Made in Italy distribution headache — thin US sizing and EU drops that sell out fast — and the community keeps flagging the brand as underrated outside Italy Diadora doesn't get the love it deserves. Buy the Trident when you want the slim retro-runner silhouette at the lower price of a sale pair; choose the N9000 if you want the bulkier 99x-adjacent shape.

Where should I buy a Diadora Trident outside Italy?

Buy from Diadora US, END., Concepts, and select boutiques carrying the Trident 90 line; Barneys carried earlier reissues at full retail. The community has been calling out Diadora's under-distributed US presence for years, and the same recurring complaint applies to the Trident: Made in Italy drops sell out fast at common sizes, and resale on the model is thin because mainstream awareness is low Diadora doesn't get the love it deserves. Wait for sale at department-store boutiques or pay shipping from an EU retailer if you want a Made in Italy Trident in your size.