Engineered to outpace the demands of urban 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 urban streets, sidewalks and steps?even when they're wet.

• Cushioning: absorbs impact and distributes weight for consistent, buoyant comfort under each step
• Energy return: transforms every heel strike into responsive, explosive forward movement
• Pull-on sock upper with external lacing cage
• Removable memory foam insole allows for custom orthotics
• Speedboard construction moves naturally with your foot to transform every heel strike into an explosive toe-off
• Helion? superfoam cushioning delivers lightweight energy return even in hot and cold temperatures
• Textile and synthetic upper/textile lining/rubber and synthetic sole