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Champion Sprinter Abby Steiner Sues Puma over Defective Shoes Claim

The former world champion sprinter says the shoes caused five surgeries and forced her retirement, and she seeks more than $1.25 million in damages.

  • On Friday, world champion sprinter Abby Steiner filed a product liability lawsuit in Middlesex County Superior Court against Puma and Mercedes-Benz Grand Prix Ltd., alleging their 'defective' shoe designs caused permanent injuries that ended her competitive running career.
  • Citing 'carbon fiber plate or Nitrofoam technology,' the complaint alleges Puma and Mercedes were aware their shoe designs altered runner biomechanics and caused bone stress injuries, leading to Steiner's five surgeries and forced retirement from elite athletics.
  • Steiner seeks more than $1.25 million in damages and specifically identifies the Deviate Nitro Elite 2 and 3, evoSpeed Tokyo Nitro, and evoSPEED Tokyo Nitro 400M models as 'unsafe, unreasonably dangerous, defective, and capable of causing injury and harm.'
  • Defendants have until August 24 to file a response, as neither Puma nor Mercedes has yet addressed the allegations in court. Steiner is currently pursuing a master's degree in exercise science at the University of South Carolina.
  • The filing states Steiner 'only recently discovered the offending instrumentality that caused her injuries,' and the complaint alleges Puma and Mercedes misled customers about product safety and testing. This case highlights tensions between performance innovation and athlete protection.
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The 26-year-old two-time athletics champion Abby Steiner sued Puma and Mercedes (involved by the engineering contribution of the Formula 1 world in the design and development of nailed sneakers for athletics), in which she argued that the sneakers she used were "faulty" and "unsafe" and that they caused her injuries that ended her career.Read more]]>

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Front Office Sports broke the news on Tuesday, April 28, 2026.
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