New Mizuno Men's Speed Trainer Size 9 Black Silver White Magnet Steel Grey soft and flexible D3O™ material RUT4I8 32 24 MAP24 soft and flexible D3O™ material with energy locking molecules provides optimal impact absorption Air Management System disperses impact energy over a wider surface area for superior comfort and protection Clavicle Channel System with hook and loop pad attachments absorbs impact around the AC joint and ensures a secure fit Streamlined and flexible Tactical Arch Design reduces overall weight and “upward” pad movement Low profile epaulets and caps eliminate “grab” points for improved performance Flat Pad Design delivers maximum mobility while maintaining ideal level of protection Raised arch corrugations add strength Breathable Air Flow Vents 100% Waterproof nylon zipper 100% Rustproof snap closures Attached hood 3 oversized pockets Extra full cut sizing Elastic wrist cuffs The Mizuno Speed Trainer baseball shoe uniquely blends the best properties of a performance running shoe Decoupled running shoe heel allows easy transition for distance runs