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 TURBO™ SQUARED cushioning to help create a lightweight, bouncy, and advanced cushioning running experience. Additionally, a PEBAX plate is centered in the foam. This helps propel your momentum forward, creating a faster feel underfoot.