Engineered to outpace the demands of street running, this sock-fit shoe sports a ribbed lacing cage that locks your foot comfortably to the springy foam sole. Responsive Speedboard™ construction moves naturally with your stride to transform every heel strike into an explosive toe-off, with durable, high-abrasion rubber in the tread providing superior grip on city streets, sidewalks and steps-even when they're wet. The snowy-white silhouette is punctuated with stealthy pops of color inspired by t