Engineered mesh upper is extremely lightweight & breathable, with strategic support where you need it. Foam 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-strike. Charged Cushioning® midsole uses compression molded foam for ultimate responsiveness & durability. Tire inspired outsole pattern provides ultimate flex & superior traction