New Balance Unisex SuperComp SD-X Width:D Medium Foam Wave: A Wave of

Foam Wave: A Wave of comfort made of 2 layers of foam

flexible and waterproof molded EVA

The curved sole design and stiff forefoot of ASICS GUIDESOLE technology reduce ankle flexion and provide a shock-absorbent landing zone to lessen fatigue of other leg muscles and increase runner efficiency

Designed to alleviate IT-Band tightness by targeting surrounding muscles

New Balance Unisex SuperComp SD-X Width:D Medium Foam Wave: A Wave ofWhy You'll Love It: The SD X is one of the most propulsive sprint spikes we've ever carried, with its high rebound FuelCell midsole and carbon fiber plate Category: Sprinting track spike Weight: 5. 3oz Featuring a carbon fiber plate with built in pins for rigidity and traction, the 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