Which groundbreaking product design innovation, introduced in 2008, was initially banned from Olympic swimming before being fully approved in 2010 due to its dramatic performance advantages?

Product design in sports has continuously evolved to enhance athlete performance and fan experiences. From shoes to equipment, design innovations have revolutionized how sports are played and experienced. This trivia question explores a significant product design breakthrough that transformed a major sport's landscape, showcasing how thoughtful innovation can redefine athletic competition and consumer engagement in the sporting goods industry.

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Speedo LZR Racer swimsuit
Nike Vaporfly running shoes
Under Armour Magnetico soccer cleats
Adidas miCoach Smart Ball