Stability or Cushioning? Cushioning or Stability? With the new Guide ISO 2, you don't need to choose. The PWRFOAM midsole and EVERUN? topsole combine to give you energetic cushioning while the 2nd density medial post guides the foot through its natural gait cycle. An engineered jacquard, breathable mesh upper, ISOFIT construction, and FORMFIT contoured footbed are just a few ways you'll dial in the custom fit that you've been searching for in a stability running shoe. The Guide ISO 2 is also helpful for runners who suffer from mild to severe pronation, or the over rotation of the ankle.Overview?Successor to the Guide ISO?EVERUN? 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?Jacquard engineered mesh upper for a dynamic, lightweight fit?FORMFIT performance contoured footbed?Reflective elements on the heelSpecs?Shoe Category: Guidance?Pronation: Moderate?Cushion: Plush?Construction Type: Stability?Surface: Road, Track?Arch: Normal (Mid), Low?Offset: 8mm?Heel Stack Height: 27mm?Forefoot Stack Height: 19mm?Weight: 255 g.