For runners who need flexibility, cushioning & versatility Engineered mesh upper is extremely lightweight & breathable, with strategic support where you need itFoam padding placed around your ankle collar & under the tongue for an incredibly comfortable fit & feel Comfort sockliner molds to your foot with padding in the heel for ultimate cushioning at heel-strikeCharged Cushioning midsole uses compression molded foam for ultimate responsiveness & durability Tire inspired outsole pattern provides ultimate flex & superior traction