Seamless mesh upper that provides excellent breathability and flexibility, while also ensuring a snug and comfortable fit. Upper is also reinforced with synthetic overlays for added support and durability. Midsole is made of QUIKFOAM, a high-performance cushioning material that provides exceptional shock absorption and energy return. Features a medial post that provides added stability and support for overpronators. Outsole of the 361 Sensation 4 is made of a durable and high-traction rubber material, which provides excellent grip on both wet and dry surfaces. Features flex grooves that allow for a natural range of motion and a smoother ride.