Breathable uppers are supportive yet flexible with added cushioning around the heel and ankle for additional support Flyknit material throughout the uppers creates specific zones of breathability and flexibility for a cool feel with enough structure to keep your feet secure Flywire technology through the midfoot adds support Soles have a unique rocker design that's shaped for support during all 3 phases of your stride with a flexible, smooth and cushioned feel Nike React foam technology provides a soft yet responsive ride High-rise cushioning placed directly under your feet keeps them closer to the foam for a responsive feel Bottoms are wider for more stability on contact Reflective elements for visibility after dark Plenty of Life left back in them.