Details & care Upgraded to outpace the demands of road running, this sock-fit shoe sports a ribbed lacing cage that locks your foot comfortably to the springy foam sole. Perfect for: Road runners who need responsive, full-foot cushioning that stands up to the challenges of navigating concrete and asphalt surfaces. Upper: Made using a single piece of flat-knit engineered mesh, the breathable upper has a snug, sock-like fit that adapts to a wide range of foot shapes. A perforated toe box enhances airflow. Midsole Drop: 5mm. Classified as a mid-drop measurement, it pushes your foot forward to support a more natural mid/forefoot strike. Sole: Denser foam on the bottom provides a more propulsive push-off. The new dual-density midsole is made with two types of Helion™ superfoam for soft landings and powerful take-offs. Previously made with TPU, the new nylon-blend Speedboard® produces an energetic and responsive ride. Cushioning: absorbs impact and distributes weight for consistent, buoyant comfort under each step Energy return: transforms every heel strike into responsive, explosive forward movement Removable memory foam insole Textile upper and lining/synthetic sole Imported