Three stacks of responsive cushioning delivers the ultimate energized ride. The Pegasus Premium supercharges responsive cushioning with a triple stack of our most powerful running technologies: ZoomX foam, a sculpted Air Zoom unit and ReactX foam. It's our most responsive Pegasus ever, providing high energy return unlike any other. With a lighter-than-air upper, it decreases weight and increases breathability so you can fly fast. Breathable upper Circular knit upper helps keep you cool mile after mile. Our Most Responsive Pegasus Ever ZoomX foam in the midsole and ReactX foam in the heel create a new cushioning system for high energy return and peak responsiveness. Sculpted Air Zoom Unit We sculpted a full-length Air Zoom unit so you can use the power of Air from heelstrike to toe off. Waffle outsole A modified Waffle outsole with high-abrasion rubber provides durable traction. Product Details * Weight: 325g approx. (men's UK 9) * Heel-to-toe drop: 10mm * Reflective details throughout upper * Not intended for use as personal protective equipment (PPE)