Olympic sale steps centre stage for Sotheby's online collection

Des O'Sullivan previews a timely online event being held by Sotheby's in New York until August 2

These handmade Bowerman Nike shoes are estimated at $800,000-$1.2 million.

BILL BOWERMAN'S handmade prototype logo track spikes with waffle sole from the heart of Nike will be a highlight of Sotheby's Olympic Collection, running online in New York until August 2. 

When it came to shoe ingenuity and design Nike co-founder Bowerman — obsessed with weight and performance - was one of the greatest innovators of his generation.