Snag the gold on your way to fame each time you take to the blocks in the New Balance® LD500v4 track spike!Lightweight mesh and synthetic upper materials. FantomFit upper design provides lightweight support and an enhanced fit. No-sew upper application helps reduce the likelihood of irritation.Lace-up closure. Thin comfort tongue and contoured collar. Smooth fabric lining offers a great in-shoe feel. Thin foam insole. Low-profile REVlite® midsole reduces weight by 30% without sacrificing cushioning or stability.Full-length Pebax® plate.Four-spike configuration delivers aggressive traction.Built on a RL-1 last.Imported. Measurements: Weight: 5 ozProduct measurements were taken using size 9, width B - Medium. Please note that measurements may vary by size.