Which groundbreaking running shoe technology, launched in 2017, claimed to improve running economy by 4% and sparked controversy about performance advantages in elite competition?

In the competitive world of sports apparel and equipment, product launches can define a company's trajectory and reshape athlete performance. This trivia question explores a significant product launch that disrupted the athletic footwear market and changed how runners approach their sport. Test your knowledge of sports product history and the innovations that have transformed athletic performance.

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Nike Vaporfly with ZoomX foam and carbon fiber plate
Adidas Boost with energy-returning foam technology
Under Armour HOVR with energy web containment system
New Balance FuelCell with nitrogen-infused foam