Boost your speed like never before with this Mizuno α II boot with a sole designed for optimal grip on artificial grass. Engineered Fit Last Neo Engineered Fit Woven: Upper material that stretches moderately laterally but, not along the length of the foot. Engineered Fit Flame: Optimal pattern for fitting and shoe making, reducing lateral shifting during play. Engineered Fit Sponge: Lightweight sponge with minimum required mass to enhance fit. ZEROGLIDE α Mesh: Use of grip material supports agile movements. KaRVO RSTM: High resilience insole board for enhanced energy return.  MIZUNO ENERZY (FOAM): Offering versatility in its application, while still maintaining softness and resilience.  It will help enhance performance capabilities.