![What are Nike sprint 'super shoes' worn by Dina Asher-Smith and why was original design axed for Toyko Olympics? What are Nike sprint 'super shoes' worn by Dina Asher-Smith and why was original design axed for Toyko Olympics?](https://www.thesun.co.uk/wp-content/uploads/2021/02/SP20_FOOTWEAR_VIPERFLY_detail2_original_hd_1600.jpg)
What are Nike sprint 'super shoes' worn by Dina Asher-Smith and why was original design axed for Toyko Olympics?
![What are Nike sprint 'super shoes' worn by Dina Asher-Smith and why was original design axed for Toyko Olympics? What are Nike sprint 'super shoes' worn by Dina Asher-Smith and why was original design axed for Toyko Olympics?](https://www.thesun.co.uk/wp-content/uploads/2021/02/SP20_FOOTWEAR_VIPERFLY_detail1_original_hd_1600.jpg?strip=all&w=960)
What are Nike sprint 'super shoes' worn by Dina Asher-Smith and why was original design axed for Toyko Olympics?
![Super spikes are causing a seismic shift – so why won't athletes admit it? | Athletics | The Guardian Super spikes are causing a seismic shift – so why won't athletes admit it? | Athletics | The Guardian](https://i.guim.co.uk/img/media/098c40d3a3f25ba6ec60c34472b2daf08b74e830/79_0_2563_1538/master/2563.jpg?width=445&quality=45&auto=format&fit=max&dpr=2&s=0a0ee69be6559a6e1be623e46064ff88)
Super spikes are causing a seismic shift – so why won't athletes admit it? | Athletics | The Guardian
![Sebastian Coe shrugs off concerns that Nike track spikes give unfair advantage | Athletics | The Guardian Sebastian Coe shrugs off concerns that Nike track spikes give unfair advantage | Athletics | The Guardian](https://i.guim.co.uk/img/media/352ee47384e9443776e7037f652a24a64119866c/4_754_1653_992/master/1653.jpg?width=1200&height=900&quality=85&auto=format&fit=crop&s=c85b618cdd915600fb04e7028310d5a1)