Air Jordan 9 Retro NRG Men's Boot Men, Black, Size. legendary look advanced performance. inspired by design elements from the special field boot, the air jordan 9 nrg men's boot features a water-resistant coating & heavy tread, plus a durable leather & suede construction. zoom air units in the heel & forefoot provide plush, lightweight cushioning. benefits leather & suede construction for comfortable containment water-repellent coating & gusseted tongue help keep feet dry foam sole with plush zoom air cushioning heavy rubber tread for traction in rough weather product details metal eyelets.