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.Perfect for: Urban runners who need responsive, full-foot cushioning that stands up to the challenges of navigating concrete and asphalt surfaces.Upper: The stretchy sock features 3D heel padding that holds your foot in place as you move. Zonal knitting dynamically embraces a wide array of foot shapes. A TPU lacing cage locks in the fit for an extra layer of reliable, distraction-free comfort.Midsole Drop: 5mm. Classified as a mid-drop measurement, it pushes your foot forward to support a more natural mid/forefoot strike.Sole: CloudTec® cushioning molded from Helion™ superfoam provides soft landings on hard surfaces. An embedded Speedboard® transforms each foot strike into springy energy that propels every stride forward. 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, cushioned insole allows for custom orthotics Helion superfoam cushioning delivers lightweight energy return even in hot and cold temperatures Speedboard construction moves naturally with your foot to transform every heel strike into an explosive toe-off CloudTec sole provides a smooth ride that moves naturally with each stride Textile and synthetic upper and lining/rubber and synthetic sole Imported