Adidas AdiZero Takumi Sen 2 Running Shoe - Solar Slime - Mens Synthetic/Mesh Upper:Tirennina suede and Teijin Japanese mesh upper designed for lightweight, superior flexion throughout heel-to-toe transition of fast-gait running.Lace-up front offers an adjustable fit. Midsole:Full forefoot and midfoot adiPRENE+ midsole offers lightweight cushioning and high-performance transition. Double-forked forefoot TORSION SYSTEM delivers maximum propulsion during push-off phase of racing. Raised adiLITE SPRINTFRAME midsole around the heel provides maximum stability during fast racing. Outsole:Quickstrike DSP outsole on the forefoot designed for superior traction while reducing weight. Continental Rubber heel outsole provides maximum grip while cornering on wet or dry surfaces.