![Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics | BBC Science Focus Magazine Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics | BBC Science Focus Magazine](https://images.immediate.co.uk/production/volatile/sites/4/2021/08/Alamy_2F3Y8J0-crop-ff47efc.jpg?resize=960,413)
Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics | BBC Science Focus Magazine
![Amazon.com | NIKE Air Tuned Max Men's Trainers Sneakers Shoes DC9288 (Smoke Grey/Light Smoke Grey/Metallic Dark Grey/Black 001), Smoke Grey Light Smoke Grey Metallic Dark Grey Black, 8 | Road Running Amazon.com | NIKE Air Tuned Max Men's Trainers Sneakers Shoes DC9288 (Smoke Grey/Light Smoke Grey/Metallic Dark Grey/Black 001), Smoke Grey Light Smoke Grey Metallic Dark Grey Black, 8 | Road Running](https://m.media-amazon.com/images/I/61-rqpU8vHL._AC_UY1000_.jpg)
Amazon.com | NIKE Air Tuned Max Men's Trainers Sneakers Shoes DC9288 (Smoke Grey/Light Smoke Grey/Metallic Dark Grey/Black 001), Smoke Grey Light Smoke Grey Metallic Dark Grey Black, 8 | Road Running
![Amazon.com | Nike air max Effort TR Mens Trainers 705353 Sneakers Shoes (US 11, Black White Bright Crimson 016) | Running Amazon.com | Nike air max Effort TR Mens Trainers 705353 Sneakers Shoes (US 11, Black White Bright Crimson 016) | Running](https://m.media-amazon.com/images/I/81MbCVGUsRL._AC_UY1000_.jpg)