Runner's World Gear on Twitter: "Tony Bignell shows @Nike spike @allysonfelix will wear in Rio. #InnovationForEverybody https://t.co/hI3FY9hY3v" / Twitter
![Alex Hutchinson on Twitter: "Nike big shot Tony Bignell takes his Vaporflys off to let people run a few strides in them. #breaking2 https://t.co/CiZjcGjPCp" / Twitter Alex Hutchinson on Twitter: "Nike big shot Tony Bignell takes his Vaporflys off to let people run a few strides in them. #breaking2 https://t.co/CiZjcGjPCp" / Twitter](https://pbs.twimg.com/media/C_H8HbGW0AAHXSm.jpg)
Alex Hutchinson on Twitter: "Nike big shot Tony Bignell takes his Vaporflys off to let people run a few strides in them. #breaking2 https://t.co/CiZjcGjPCp" / Twitter
![Matthew Kish on Twitter: "Tony Bignell, @Nike VP of Footwear, demonstrates the flexibility of the Nike Free Hyperfeel at #natureamplified http://t.co/j6sKOOyYYY" / Twitter Matthew Kish on Twitter: "Tony Bignell, @Nike VP of Footwear, demonstrates the flexibility of the Nike Free Hyperfeel at #natureamplified http://t.co/j6sKOOyYYY" / Twitter](https://pbs.twimg.com/media/BPUZX6mCIAAmqhM.jpg:large)