IGNITE Dual Men's Running Shoes:More energy. More flex. More comfort. The IGNITE Dual is our most versatile runner to date. With its lowered midsole height, articulated Chevron design, and flex grooves in the forefoot, this shoe offers the athlete a great combination of energy return and flexibility. In the forefoot area the shoe is equipped with flexible and breathable mesh to guarantee maximum running comfort.Flexible mesh in the forefoot provides a comfortable fit, breathability, and flexibility.Colour-shifting, reflective mesh in the side quarter.IGNITE Foam at heel and forefoot to offer full-length high-rebound cushioning.Articulated Chevron grooves for increased energy return.Deep forefoot flex grooves for flexibility and freedom of movement.Guidance Line mimics the natural gait pattern and offers a smooth ride.Carbon rubber outsole for traction and durability.