The shoe's snug bootie construction is updated with a single-piece knitted upper for maximum airflow. The perforated toe box further boosts breathability. For a cushioned yet energetic ride, the midsole's top layer is made with soft Helion™ superfoam, while denser foam on the bottom provides a more propulsive push-off.We updated the design and fit of the shoe's iconic cage construction for better midfoot lockdown. Plus, it's now finished with a new knit material for a more modern look. Key features:Weight: 277gWater-repellent finish on the upperDual-density Helion™ superfoam midsole for soft landingsBreathable mesh upperRubber on the outsole for gripUpdated cage construction for better midfoot lockdownNylon-blend Speedboard® for a responsive rideEngineered mesh for a fresh aesthetic and comfortable fitA sock-like, bootie construction for a soft step-in Materials:Upper Unit: recycled polyester, TPU Bottom Unit: Outsole: Rubber Speedboard: Nylon 6 Technology: CloudTec ®️