A lightweight and bouncy trainer with a fast feel for tempo runs or your daily run training. The SONICBLAST™ shoe offers a lightweight and responsive ride that makes it functional for tempo runs and your daily training. The midsole features a two-layered foam with FF BLAST™ MAX and FF TURBO²™ cushioning to help create a lightweight, bouncy, and advanced cushioning running experience. Additionally, an ASTROPLATE™ propulsion mechanism is centered in the foam. This helps propel your momentum forward, creating a faster feel underfoot.