* Material: High quality microfiber leather much lighter than normal PU material spikes. One piece shoes weight just around 180g.
* Sole: PEBAX. Super wear-resistant and passed the test of simulated running more than 70,000 times to prove the durable of sole.
* According to the characteristics of the forefoot sole pressure, 8 spikes enhance the grip and increases the starting speed and reduces the energy loss.