Supercharge your stride with the Nike Pegasus Premium RR. Designed for high energy return, these sneakers feature a triple stack of ZoomX foam, a sculpted Air Zoom unit, and ReactX foam for the most responsive ride in the lineup. The lightweight engineered mesh upper keeps you cool while you fly faster on every road run with the Nike Pegasus Premium RR. Features and benefits: Engineered mesh upper provides lightweight breathability. Full-length ZoomX foam delivers maximum energy return. Air Zoom unit offers optimal springiness and responsiveness. ReactX foam ensures a smooth and balanced ride. High-abrasion rubber waffle outsole adds durable traction. Material and care: ReactX foam. High-abrasion rubber. Engineered mesh. Spot clean. Size: Low-cut collar. Heel-to-toe drop: 10 mm. Weight: 11.5 oz (men’s size 9).