Nike has done something unexpected with the Vaporfly 4: rather than chasing the 40mm stack-height ceiling that the brand itself helped establish, the company has gone in the opposite direction, stripping the shoe down to a 35mm heel and 29mm forefoot for a 6mm drop. The result is the lightest Vaporfly in the franchise's eight-year history — a carbon-plated racer that trims weight from the midsole, outsole and upper compared to the Vaporfly 3 without, Nike claims, sacrificing the propulsive energy return that made the original a paradigm-shifting piece of running technology. Available now at £260 / $260, the Vaporfly 4 represents a philosophical pivot that could reshape the super shoe conversation.
The decision to move away from maximum stack height is the most significant design choice in the Vaporfly 4. Since World Athletics introduced its 40mm stack-height rule in 2020, virtually every major brand has built its racing shoes right up to the legal limit, packing in as much foam as possible to maximise cushioning and energy return. Nike's engineers have argued that more foam is not always better — that the weight penalty of a taller midsole can offset the energy-return gains, particularly over shorter distances. The Vaporfly 4 is built to be versatile enough for everything from the mile to the marathon, a claim that would have been difficult to make with the higher-stacked Vaporfly 3.
Early feedback from professional testers and reviewers has been largely positive. The ride retains the characteristic Vaporfly snap — that sensation of the carbon plate loading and releasing energy through the toe-off — but feels noticeably more responsive underfoot and closer to the ground than its predecessor. Runners who found the Vaporfly 3 somewhat unstable at higher speeds report that the lower platform improves lateral stability and ground feel, particularly on turns and technical road surfaces. The upper has also been refined, with a lighter engineered mesh that provides a secure, race-ready fit without the need for excessive lacing tension.
The timing of the launch places the Vaporfly 4 squarely in the crosshairs of the spring marathon season, with Boston, London and a string of European spring marathons approaching. Nike will be watching closely to see how many elite athletes choose the Vaporfly 4 over the maximally cushioned Alphafly 3, which remains in the line-up as the brand's marathon-specific racer. The Renegade x Nike Vaporfly 4 collaboration, which launched on 1 April at $280, sold out within hours and signalled strong consumer demand for a shoe that bridges the gap between performance racing and the broader running culture.
Whether the Vaporfly 4's lower-is-better approach catches on across the industry remains to be seen. Adidas, Saucony, Hoka and Asics have all continued to push towards maximum stack heights in their elite racers, and the prevailing wisdom in sports science still favours more foam for marathon-distance energy savings. But Nike has always been at its most dangerous when it challenges orthodoxy, and the Vaporfly 4 is a compelling argument that the super shoe arms race may have reached a point of diminishing returns. For runners who race across multiple distances — from parkrun to half-marathon — the lighter, nimbler Vaporfly 4 could be the most versatile carbon racer on the market.