On Cloudswift women’s Running Shoe black and White 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. • 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 • Recycled-textile and recycled-synthetic upper/ recycled-textile lining/recycled-synthetic sole