The Topo Athletic Aura is the max-cushion stability shoe you've been looking for. The Aura combines Topo's signature fit with pronation support and plush cushioning. The unique Y-Frame Guidance System ensures a smooth and stable ride, while the responsive ZipFoam™ midsole delivers comfort that lasts from mile one to run done. Details: Upper: The engineered mesh upper provides breathability and a secure fit, while the anatomical toe box allows your toes to spread naturally and comfortably. Midsole: The Aura uses a multi-density midsole with ZipFoam™ EVA cushioning that’s soft against the foot yet firm and responsive against the ground. Plus, Topo’s Y-Frame Guidance System gives you a smooth and stable ride. Outsole: Strategically placed rubber in high-abrasion areas gives you reliable traction and long-lasting durability.