Featuring an engineered mesh upper, the New Balance Women's 880 v12 Running Shoes are lightweight with strategic zones of breathability and support to keep your run cool and comfortable over many miles. Crafted with a dual-layer midsole that is made up of foam top-bed cushioning that sits on top of a Fresh Foam X construction that displaces heel impact and offers a responsive high energy run. Finally, a durable rubber outsole provides reliable grip and traction across a variety of running surfaces.