Introducing the evolution of BOOST® technology with the adidas® SOLARBOOST® running shoes. This new creation offers the superior BOOST® cushioning technology matched perfectly with a symmetrical SOLAR PROPULSION RAIL that works with the BOOST® to enhance overall stability for a truly smooth ride. The STRETCHWEB and CONTINENTAL rubber outsole provides runners with superior, adaptive traction that works with the runners stride. Upper: Features a textile upper and a stretch-mesh material around the forefoot for a comfortable, yet secure fit. Midsole: Full-foot BOOST® midsole provides unmatched energy return and superior cushioning. TORSION® SYSTEM allows for a smoother heel-strike-to-midfoot stance transition. Outsole: STRETCHWEB WITH CONTINENTAL™ rubber outsole with superior grip that adapts to every runners foot strike by moving in harmony with boost to provide a smoother and more flexible ride.