Nike Air Zoom LJ Elite Jumping Spikes Nike have geared these ultra-lightweight long-jumping shoes to reach new heights. More bounce and stability help give you the speed you need as you reach liftoff. Plus, they've got you covered with an adjustable cross strap for a secure fit. So, fasten in and get ready to fly to your personal best. Woven Fabric Upper A woven fabric upper encases each foot in streamlined comfort. Zones of ventilation and structure are engineered into the material; perforations in the heel increase airflow to create a better, healthier environment for your feet to win in, and lightweight support wraps the foot in a firm fit, reducing in-shoe slippage so that you can enjoy smooth, distraction-free strides. The anatomical toe design follows the natural contours of the foot; it enhances propulsion by increasing space in the forefoot, allowing the toes to splay and push off the ground. A cross strap features on the upper so you can adjust the fit easily an