The Nike Pegasus Premium "Black/Metallic Silver" Women's Road Running Shoe 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 the 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 faster. <ul> <li>Engineered Mesh on Upper</li> <li>Breathable, lightweight engineered mesh helps keep you contained.</li> <li>ZoomX Foam</li> <li>Your foot sits on top of full-length ZoomX foam, Nike’s most responsive foam. It delivers incredible energy return with each stride.</li> <li>Full-Length Air Zoom Cushioning</li> <li>The full-length Air Zoom unit offers our optimal level of springiness underfoot, unlocking a level of speed and responsiveness that’ll put pep in your miles.</li> <li>ReactX Foam Foundation</li> <li>ReactX foam, 13% more responsive than previous React technology, sits at the bottom of the ZoomX foam and Air Zoom cushioning. It offers a smooth and balanced ride.</li> <li>Modified Waffle Outsole</li> <li>Modified waffle outsole has high-abrasion rubber to provide traction.</li> <li>Weight: Approx. 275g/9.7oz (Women's US 8)</li> <li>Heel-to-toe drop: 10mm</li> <li>Not intended for use as Personal Protective Equipment (PPE)</li> </ul>