Design: Sock-like engineered knit upper Added elastic throughout All-new modern look In-Shoe Comfort: FootShape™ comfort gives your feet more space to sit naturally Altra® EGO™ foam provides added energy return and a responsive, yet soft, comfortable feel Balanced Cushioning™ platform positions your heel and forefoot at an equal distance from the ground for better alignment and form Innerflex™ grid-like grooves in the midsole promote flexibility and movement FootPod™ outsole technology encourages natural movement underfoot Additional Details: Weight: 9.3 oz / 263 g Stack Height: 24 mm