New Balance FuelCell MD-X Middle Distance Spike Altra MidZero fabric for supportive stretch

MidZero fabric for supportive stretch and comfort

Arm Band Size: One Size Fits Most (9 in - 15 in)

Medical grade support

The 6-pin PEBAX spike plate has your back on the track

EVA heel wedge offers added structure for optimal comfort and performance

New Balance FuelCell MD-X Middle Distance Spike Altra MidZero fabric for supportive stretchCARBON TRACK HAWK. Form and function deliver ultra lightweight, innovative performance with the FuelCell MD X racing spike. This spike 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. UPPER Lightweight synthetic knit with strategic internal