A view of the running shoes worn by Jamaica's Usain Bolt who won the men's 100m final in a new world record time of 9.58 seconds during the IAAF World Championships at
It was always about gold medals' - Bolt not bothered by threat new shoe technology poses to
PUMA Launches IGNITE, Its Most Energized Running Shoe
Buy PUMA Men's Ignite Dual Bolt Running Shoe, Black/Gold, 10.5 M US at Amazon.in