It dominated marathons, claiming top spots at the world’s six pinnacle long distance events, and was lauded by those in the know as the fastest shoe on the planet. The world's fastest marathon runner, Eliud Kipchoge, even described the 4% system as: 'Perfect...really perfect.'
Running tech is always at the forefront of Nike’s performance innovation, and a lot has gone into helping athletes achieve that 4% improvement – ZoomX foam delivers up to 85 per cent energy return and full-length carbon reinforcement aids propulsion.
Having raced off the shelves on debut, the Vaporfly 4% is set to hit retailers again, this time in ‘Obsidian.' The deep midnight Flymesh is set off against metallic Swooshes and Volt tongue tabs – because fluoro always goes faster.
These drop Stateside on April 11 with a European release following on April 19, so check your local NDC.