Which revolutionary running shoe technology, launched in 2017, featured a carbon fiber plate and specialized foam that claimed to improve running economy by 4%?

Athletic footwear has evolved dramatically over the decades, with major brands constantly pushing boundaries to enhance performance. In 2017, one particular innovation sent shockwaves through the running world when a major brand claimed their new technology could help elite marathoners break the elusive two-hour barrier. Test your knowledge about this groundbreaking product innovation that changed competitive running.

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Nike's ZoomX Vaporfly with carbon plate technology
Adidas Boost with Continental rubber outsole
Under Armour's HOVR with Energy Web
New Balance's FuelCell with nitrogen-infused foam