Engineered mesh upper for breathability: A lightweight, breathable meshmaterial helps reduce the need for additionaloverlays. FF TURBO² cushioning: Our pinnacle FF TURBO foam that's the bounciest and most energetic midsole material, helping provide advanced cushioning and rebound for your run. Curved sole design helps runners conserve more energy in each step ASICSGRIP outsole rubber: ASICS proprietary outsole that provides advanced grip on a variety of terrain. At least 50% of the shoe's main upper material is made with recycled content to reduce waste and carbon emissions The MEGABLAST shoe is one of the bounciest ASICS trainers. It offers an energized rebound that makes it functional for various speeds and distances.The midsole features FF TURBO² cushioning to help create a lightweight, bouncy, and advanced cushioning running experience.Lastly, the ASICSGRIP outsole rubber provides advanced grip for various terrains.