The Nike LeBron X+ Enabled basketball shoe tracks your game and provides real-time feedback and coaching. Flywire technology tightens during quick cuts and sudden changes of direction, delivering lightweight support and lockdown fit. Hyperfuse construction provides lightweight breathability, durability, and stability. Full-length, visible Nike Zoom™ unit delivers a perfect combination of impact protection and quick-cut responsiveness. Lightweight Phylon™ midsole adds another layer of cushioning and comfort. Solid rubber outsole with modified herringbone pattern. Requires purchasing the Nike+ E-Kit in order to make the shoe Nike+ ready. Wt. 16.8 oz.