Rubber sole Breathable mesh upper with a touch of stretch for an enhanced fit Extra padding at the tongue and collar keep your foot feeling comfortable Nike React technology is a lightweight, durable foam that delivers a smooth and responsive ride Flywire technology integrated with a midfoot band for total support and stability Air Zoom unit at the forefoot and heel for an energized feel The workhorse with wings is back! Continuing the legendary legacy of the Pegasus franchise, the Women's Nike Air Zoom Pegasus 39 Running Shoes continue to push the boundaries of performance running with new and improved technology. This lightweight design packs plush Nike React cushioning, an explosive Air Zoom unit for elevated responsiveness, and innovative Flywire technology for support in a low-profile, everyday design to push your performance limits in sleek and athletic style.