Great used condition track sprint spikes. Branded protective bag included. Key Technical Features: Carbon Fiber Propulsion: Features a full-length internal carbon fiber plate designed for explosive energy return and maximum stiffness out of the blocks. MATRYX MICRO Upper: Lightweight woven upper fused with carbon fiber threads for a secure, locked-in fit that won't stretch or yield during sprints.8-Pin Outsole Plate: Features permanent, aggressive traction pins embedded directly into the plate to optimize grip and eliminate the hassle of loose pins.
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