The Puma Ignite Mesh ladies' running shoes is the female version of the trainers worn by Usain Bolt, the fastest man in the world. These extremely responsive shoes provide great cushioning & energy return to encourage you to run quicker. At 209g (7.4oz) the cushioning shoes are lightweight & they feature a breathable mesh upper & high-rebound Ignite foam cushioning. Forefoot flex grooves improve flexibility & energy return & there is a transition line in the outsole which fosters natural gait. For Ever Foam in the heel area & Ever Track abrasion-resistant rubber in high-wearing parts of the outsole make for better durability, & toe-offs have been smoothened to make ride more fluid.