Mizuno Synchro MX Men's Baseball Training Shoe - Royal & White Completely new Mizuno sole construction provides super soft cushioning. Two pieces, with the top piece mid-sole working as a stable platform to prevent gthe foot from sinking, while the bottom piece provides responsiveness from heel to toe. "U4icX" strobel board ensures a comfortable underfoot feel. Engineered mesh upper that is both breathable and durable for high performance. 10.0 oz.