Women's SONICBLAST PURPLE *A full discussion of caffeine

*A full discussion of caffeine and its performance benefits can be found in the Journal of the International Society of Sports Nutrition here

Windproof and water-resistant paneling in critical zones protects you from the weather

The upper provided a good fit

Battery powered

Women's SONICBLAST PURPLE *A full discussion of caffeineBounce beyond limits 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 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