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The Nike Zoom Celar 4 track spike is designed for the sprinter looking for a lightweight, high-performance competition shoe for 100-400 meters. Lightweight mesh upper with a no sew synthetic leather cage coupled with an interior innersleeve and forefoot lockdown strap delivers an exceptional fit. Responsive Phylon™ heel offers excellent protection against heel impact. 3/4-length Pebax® plate with five-spike receptacles offers sprinters with a lighter weight, more flexible option. Comes with 7mm Christmas Tree spikes and a wrench. Wt. 6.0 oz.