Achieve your best speed ever with this boot meticulously designed and made in Japan to boost velocity through its comfortable fit and lighter weight. 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.  α Triangle Studs: Provide grip to enable vertical speed and fine movements. MIZUNO ENERZY (FOAM): Offering versatility in its application, while still maintaining softness and resilience.  It will help enhance performance capabilities.