Nike Air Pegasus+ 28 Women's Running Shoe Ultra-stong, ultra-lightweight Flywire panel through the midfoot provides targeted suppport and a uniquely dynamic fit Expansive use of open mesh for lightweight breathability to help keep your foot cool and comfortable Nike Zoom unit in the heel provides low-profile, responsive cushioning for comfort underfoot Deep, gender-specific flex grooves along the length and width of the shoes base boost flexibility and promote a smooth, efficient stride Lightweight breathability to help keep your foot cool and comfortable