negro Nike Dunk ANATOMICAL FIT, VERSATILE PERFORMANCENike Zoom Rival S 7 Women's Track Spike is ideal for short distances, hurdles and jumping events with Dynamic Fit technology and an ultra-lightweight mesh and synthetic leather construction. A soft sockliner conforms to the shape of your foot for ultimate comfort, and a rigid Pebax ? plate and seven strategic spike receptacles create custom traction.Benefits