The Fusion Air boots combines all the functionality of the Fusion Boot with an outer shell constructed of perforated Lorica for maximum air flow without compromising protection.  Features:      * Composite inner sole     * Dual compound sole     * Vertebra system Achilles and rear calf protection panel     * Replaceable nylon toe scuff pad     * Replaceable outer ankle protective cap     * Nylon shin deflector plate     * Fully encapsulated heel cup     * DuPont polymer toe shift pad     * An elastic panel adjacent to the entry zipper allows a bind free zip and improved fit     * Removable arch support     * Double stitched in all high stress areas     * Zipper and Velcro closure system     * Perforated Lorica outer construction to allow maximum airflow     * Perforated Teflon treated nylon lining