Adidas AdiPure Gazelle 2 Running Shoe - Solar Slime/Black/White - Mens Synthetic/Mesh Upper:techfit is engineered for natural, flexible support and a seamless, sock-like fit. Second-skin forefoot layer aligns with the foots natural motion. Flat laces reduce irritation and pressure points. Midsole:PUREMOTION midsole mimics the natural stability, efficiency, and rapid reaction time of the bare foot. Synthetic suede lining gives enhanced fit and comfort. Mesh heel collar enhances breathability. adiPRENE+ in the forefoot maintains propulsion and efficiency. adiPRENE shock absorbent material cushions and protects your heel at impact. Outsole:adiWEAR outsole offers the ultimate in high-wear durability.