Design: The upper sits low to the ground and is made of soft, synthetic suede that’s airy and breathable A midfoot dynamic fit band offers engaged lacing, so you can feel secure In-Shoe Comfort: A full-length Zoom Air unit on the bottom layer of the upper delivers an active response during cardio workouts and a little extra pop when putting force into your lifting routine Foam midsole adds cushioning Traction & Durability: Waffle traction pattern for stability on multiple surfaces Lines on the outsole provide a smooth transition and feel for cardio movements Heel is stable and flat to ground for containment