They're not just race shoes", Nike's VP of Footwear Innovation says of the Alphaflys
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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
They're not just race shoes", Nike's VP of Footwear Innovation says of the Alphaflys