New Mizuno Men's Speed Trainer Size 9 Black Silver White Magnet Steel Grey soft and flexible D3O™ material COM16GLM Wht Blk SM 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 Ergonomically designed to function as an extension of you The Mizuno Speed Trainer baseball shoe uniquely blends the best properties of a performance running shoe the comfort of a trainer and the traction of a molded cleat