New Balance FuelCell Super Comp SD-X v2 Spike Sizes:8.5 plus Ultra Light Cushioning takes

plus Ultra Light Cushioning takes up minimal room inside the shoe

Sized to fit most smartphones with low-profile cases

these are the top-of-the-line

• Ultra thin construction takes up minimal room inside the shoe

New Balance FuelCell Super Comp SD-X v2 Spike Sizes:8.5 plus Ultra Light Cushioning takesFeaturing a carbon fiber plate with built in pins for rigidity and traction, our FuelCell SuperComp SD X will be your go to competition spike for sprinting. Designed to meet the needs of elite athletes, this track spike has a lightweight, high rebound FuelCell midsole underfoot that provides exceptional energy return. The knit upper is reinforced at strategic points for a lightweight yet structured feel. Features FuelCell foam delivers a propulsive