Nike used 3D printing and Olympic sprinters to design its new track shoe
 

When Shelly-Ann Fraser-Pryce competes in the women's 100m and 4x100m relay at the Olympics this month, she'll do so wearing what Nike claims is one of its most advanced track and field shoes yet. The 29-year-old Jamaican, who is favored for gold in R...

https://www.engadget.com/2016/08/03/...ting-olympics/