For the runner who wants to transition to a more natural running style. The Nazka 5.0 features a dual density midsole with 5mm differential from heel to toe, potentially promoting a midfoot / forefoot strike rather than a heel strike. A performance closed mesh upper with midfoot support saddle keep out dirt and debris, an Ortholite footbed guarantees lasting comfort, and the exclusive versatile Vibram trail outsole delivery superior traction