The New New Balance MD800v4 (Toxic/Dragonfly) Women's Running Shoes, female, Shoes , Athletic , Running, 12 B - Medium, true, Crush the course in the light and speedy New Balance MD800v4 track spike! Ideal for track-and-field events ranging from 800 m to 3 00 m. Sleek lightweight mesh and synthetic upper materials. Lace-up closure. Thin comfort tongue and collar. Textile lining offers a great next-to-foot feel. Thin foam insole. Full-length Pebax plate offers the perfect blend of traction flexibility and speed. Aggressive six-spike configuration delivers maximum traction. Includes six removable spikes and wrench. Imported. Measurements: Weight: 4 oz Product measurements were taken using size 8 width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item not a pair.