Ignition 4 trainer is specially designed for runners who seek for a comfortable, fresh and secure ride. The Upper Airmesh provides a lightweight shoe with great breathability, keeping your feet cool in hot conditions and HRC Strobel Board increases cushioning and comfort in landing and take off. Reflective details increase visibility in low light conditions. The IMEVA midsole gives an independent crash pad that softens landing and a visible grid system for superior cushioning and stability. The XT 600 carbon rubber outsole provides great traction and grip where you need it most and improves responsiveness and abrasion.