A leader in the field and with awards to match, the Guide has long been your go-to stability shoe. The innovative Guide ISO is the next generation, which enhances the already high-performing Guide with the dynamic fit system of ISOFIT, which adapts to the shape and motion of your foot. A combination of EVERUN? Topsole and PWRFOAM and medial posted midsole provides enhanced energy return, continuous cushioning, and an effortless transition with every step. Overview ? Successor to the Guide 10 ? EVERUNTM Topsole construction for enhanced energy return and continuous cushioning throughout the run ? Updated ISOFIT design creates a dynamic fit system by adapting to the shape and motion of the runner's foot ? Engineered mesh upper for a dynamic, lightweight fit ? Medial posted midsole ? PWRFOAM midsole design Specs ? Shoe Category: Guidance ? Pronation: Moderate ? Cushion: Plush ? Construction Type: Stability ? Surface: Road, Track ? Arch: Normal (Mid), Low ? Water Resistant: No ? Waterproof: No ? Offset: 8mm ? Heel Stack Height: 27mm ? Forefoot Stack Height: 19mm ? Weight: 9.1 oz. | 258 g.