Conquer the course in the feather-light New Balance® LD5000v3 track spike!Ideal for track-and-field events between 3,000 m and 10,000 m.Breathable mesh and synthetic upper materials.Thin comfort tongue and collar.Full-length Pebax® plate offers the perfect blend of traction, flexibility, and speed.TPU outsole supplies strength and stability at high speed. Removable four-spike design allows for optimal traction over mixed terrain. Imported. Thin foam insole.Measurements: Weight: 4 ozProduct measurements were taken using size 8, width B - Medium. Please note that measurements may vary by size.