Speed that is noticeable from the first kilometer The Asics Magic Speed 4 is designed to offer superior performance in fast races and quality training. They incorporate technologies that enhance reactivity and stability, so every stride propels you forward with greater efficiency and power. Ideal for those looking to break records on asphalt. A midsole with turbo included Thanks to the FF BLAST TURBO foam, the lightest and most responsive from Asics, this shoe transforms every impact into momentum. Compared to conventional FF BLAST, it offers 13% more responsiveness, maintaining a fast, agile, and comfortable running feel. Carbon plate for more powerful takeoff The full carbon plate, strategically sculpted, enhances stability and acts as a lever that multiplies propulsion at takeoff. Ideal for maintaining a high and efficient pace throughout the race. Breathability without compromise The upper is made with a lightweight and breathable mesh that promotes air circulation, helping keep feet cool even at high speeds. Designed to hug the foot without squeezing, it contributes to a stable and secure stride. Reliable traction sole The ASICSGRIP rubber sole offers excellent grip on asphalt, even in changing conditions, allowing you to run confidently on every curve and straight. Committed to sustainability 50% or more of the upper is made from recycled materials, and its insole is dyed through a sustainable process that reduces water consumption by 33% and carbon emissions by 45% compared to traditional dyeing. Performance and ecological awareness in a single shoe.