Add another win to your record with the high-level performance of the WLD5000 from New Balance®!An elite-level sprint spike. One-piece, synthetic FantomFit upper for a sock-like fit.Contoured heel cup for added comfort. Breathable fabric lining.Removable foam insole for light cushioning.Full-length Pebax® spike plate. Four-spike design for rugged traction. Removable spikes and hardware included. Built on an RL-1 last that features a standard forefoot width, toe box depth, instep height, and heel width. Imported. Measurements: Weight: 4 ozProduct measurements were taken using size 7.5, width B - Medium. Please note that measurements may vary by size.