Breathable mesh uppers provide the classic Pegasus fit and feel, but with wider toe boxes for more room to splay; redesigned seaming on the uppers provides a better fitCurved collars help reduce irritation to Achilles tendons; internal heel counters provide a secure rear foot fit; plusher tongues help cushion the tops of your feetMidfoot webbing tightens around your foot when you lace up, letting you customize your snugness; extra eyelets lock down your fitSockliners conform to the shape of your feet to provide comfort and underfoot supportZoom Air units in the forefoot provide low-profile, responsive cushioning; this model is softer than prior models, with pressure set at 20 pounds per square inchNike React foam midsoles are lightweight, springy and durableSegmented rubber crash rails on the lateral outsoles act as a cushioning device at contact for soft, smooth transitions; crash rails feature cut-in grooves to enhance gripWaffle pistons on outsoles absorb impact and provide multi-surface tractionSize 9Preowned in excellent condition