Engineered mesh upper improves breathability. Traditional lace-up closure for a secure fit. Technology reduces the weight of the sole unit while retaining the structural integrity of the shoe. technology cushioning provides excellent shock absorption. Technology provides lightweight cushioning. sockliner improves step-in comfort. Technology improves visibility in low-light conditions. 3D improves compression and cushioning at footstrike and reduces pronation. Synthetic upper, lining, and insole. Rubber traction outsole.