Responsive cushioning in the Nike Pegasus 41 "White/White/Black" Women's Running Shoe provides an energized ride for everyday road running. Experience lighter-weight energy return with dual Air Zoom units and a ReactX foam midsole. Plus, improved engineered mesh on the upper decreases weight and increases breathability. <ul> <li>Upgraded breathable engineered mesh upper</li> <li>ReactX foam midsole surrounds forefoot and heel Air Zoom units for an energized ride.</li> <li>Signature waffle-inspired rubber outsole for traction and flexibility</li> <li>Plush collar tongue and sockliner for a secure and comfortable fit</li> <li>What's new? All-new ReactX foam midsole is 13% more responsive than previous React technology.</li> <li>Crafted for performance and planet, ReactX foam is engineered to reduce its carbon footprint by at least 43% in a pair of midsoles due to reduced manufacturing process energy compared to prior React foam. The carbon footprint of ReactX is based on cradle-to-gate assessment reviewed by PRé Sustainability B.V and Intertek China. Other midsole components such as airbags, plates or other foam formulations were not considered.</li> </ul>