adidas Performance Men's Energy Boost 2 M Cushioned Running Shoe 100% Nylon Mesh Tech Fit/Textile Importado Rubber sole High mileage neutral, cushioned trainer with revolutionary boost midsole material with highest energy return properties on the market Tech fit stretch upper for sock like fit with welded overlays and cage striping for support Boost midsole for state of the art energy return and cushioning that will outlive any conventional eva midsole Mid foot torsion bar for support and stability Adiwear outsole for lightweight durability with zone motion for increased traction and feel