The Nike Zoom Long Jump 4 is designed for the serious long jump and pole vault athlete looking for the latest in jumping technology. No-sew synthetic-leather midfoot provides lightweight, structured support. Forefoot lockdown strap and zippered shroud deliver a snug, secure fit. Hard-density EVA wedge adds durable cushioning. 3/4-length nylon plate with seven replaceable spikes offers powerful traction. Forefoot plate features dynamic flex for a more natural foot plant on takeoff. Comes with 1/4" christmas tree spikes and a wrench. Wt. 8.2 oz.