Form and function deliver ultra lightweight, innovative performance with the New Balance FuelCell MD-X racing spike. This shoe features an updated engineered knit upper for ultimate weight savings. Stacked with engineered technology such as FuelCell foam and a carbon fiber plate, the MD-X gives you forward propulsion and performance-ready style on middle distance track races.
- FuelCell foam delivers a propulsive feel to help drive you forward
- Lightweight synthetic knit upper with strategic internal reinforcement
- Full-length external carbon fiber plate with six built-in pins for a blend of propulsion and traction
- Lace-up closure for an adjustable fit
- Designed to match Team New Balance colors
- Men’s 4 = Women’s 5.5
- Men’s 4.5 = Women’s 6
- Men’s 5 = Women’s 6.5
- Men’s 5.5 = Women’s 7
- Men’s 6 = Women’s 7.5
- Men’s 6.5 = Women’s 8
- Men’s 7 = Women’s 8.5
- Men’s 7.5 = Women’s 9
- Men’s 8 = Women’s 9.5
- Men’s 8.5 = Women’s 10
- Men’s 9 = Women’s 10.5
- Men’s 9.5 = Women’s 11
- Men’s 10 = Women’s 11.5
- Men’s 10.5 = Women’s 12
- Men’s 11 = Women’s 12.5
- Men’s 11.5 = Women’s 13