Jordan AJ 2012 System Of Flight - Men'sThe Jordan AJ 2012 System Of Flight is perfect for the player who wants a top-of-the-line basketball shoe that delivers premium-crafted performance and the most up to date and innovative design. The upper is made with Flywire® technology that fuses layers of mesh and PU to create a one-piece construction that provides lightweight support and durability. The upper also features rich full-grain leather overlays with perforations for additional durability and breathable support. This innovative shoe comes with two different fits including: a hi-fit inner sleeve or a low-cut inner sleeve, each providing different levels of support. The external Phylon™ midsole is equipped with three different internal inserts for a custom ride including: an "Air" cushion insert with Zoom-Air™ units in the heel for low-profile cushioning, a "Quick" insert with a Zoom-Air™ unit in the forefoot and encapsulated Air-Sole® unit in the heel for impact protection and an "Explosive" insert with a full-length encapsulated Air-Sole® unit for lightweight cushioning. Other features to mention include an innovative propulsion plate made with a combination of glass and carbon fiber that contours to the natural shape of your foot for optimal support and a solid-rubber outsole with a multidirectional pattern and strategically placed flex grooves for traction and flexibility while making quick cuts and sprints down the court. Removable insole. Weight varies depending on midsole from 15.5 oz. to 17.4 oz.