The Saucony Hurricance ISO 3 continues to focus on providing runners with optimal support and stability in a highly cushioned and adaptive structure. The ISOFIT system wraps around the midfoot in a non-restricting manner and allows for comfortable, personalized fit. This new edition features an expansion of the EVERUN landing zone that gives runners more of that long-lasting responsiveness they loved from the previous model. Upper: Engineered mesh upper with ISOFIT combines a soft inner sleeve and a floating cage to create a dynamic fit system that adapts to the shape and motion of your foot. Lightweight Support Frame locks the heel in place for a secure, stable fit. Padded tongue and heel collar enhance comfort. Flat laces reduce irritation. Midsole: EVERUN provides a lively, resilient ride while offering continuous cushioning and enhanced energy return properties. The expanded EVERUN Landing Zone provides a responsive ride and superior impact protection that lasts throughout the run.Outsole: Tri-FLEX provides increased force dispersion over a greater surface area while also delivering optimal flexibility and traction.