Nike Men's Air Zoom Pegasus 39 Size (US Men):12 it features a waterproof GORE-TEX

it features a waterproof GORE-TEX upper that helps keep your feet dry without compromising breathability

This Nike Air Zoom Structure 24 features a responsive crash pad for smooth heel-to-toe transitions

A forefoot Air Zoom unit powers explosive acceleration

The rocker-shaped sole features the latest ReactX foam

Nike Men's Air Zoom Pegasus 39 Size (US Men):12 it features a waterproof GORE-TEXNike Men's Air Zoom Pegasus 39 Light, Springy, and Made to Move. Whether you're running under the summer sun or layering up in winter, the Nike Air Zoom Pegasus 39 keeps pace with you through all four seasons. Lighter than its predecessor, this version features dual Zoom Air units for a responsive, energized ride with every stride. The Nike React foam midsole adds soft yet supportive cushioning, ideal for both everyday runs and speed training.