The AJ39 isn't just another shoe you can hoop in. It's the bar being raised, a reminder of who taught everyone else everything they know. Lightweight, springy ZoomX foam stacks on a full-length Air Zoom unit to give you the responsive cushioning your footwork demands. The result? All play, no crash. Go ahead and keep 'em shook. All play with no crash We added a crash pad in the instep to help hold your foot in place and keep your toes from slamming into the toe box. After all, just because MJ lost a few toenails doesn't mean you should have to. Zoom into comfort ZoomX foam, Nike's lightest high-efficiency foam, contours the natural shape of your foot to give you soft and springy cushioning without weighing you down. We paired it with a full-length Air Zoom unit for snappy energy return. Rock solid Remember MJ's cross step? Of course you do. It influenced this shoe from the sole up. A built-in sidewall cupsole helps provide stability during lateral movements and allows for full engagement of the underfoot cushioning.