The ultimate in fit, cushioning and support is all rolled up in the Hurricane ISO. PWRGRID+ provides an ultra-plush ride, while the ISOFIT lacing system gives you a custom foot-hugging feel for every mile of your run. Weight: 266 g. OVERVIEW ISOFIT provides stabilizing support while adapting to the movement of the runner's foot Enhanced PWRGRID+ platform provides 20% more cushioning and better durability than previous versions Support Frame adds structure and support in the heel Awarded: Fitness Magazines, Winner, Spring Sneaker Guide 2015 SPECS Shoe Category: Guidance Pronation: Moderate, Severe Cushion: Plush Construction Type: Stability Surface: Road, Track Arch: Normal (Mid), Low Water Resistant: No Waterproof: No Offset: 8mm Heel Stack Height: 29mm Forefoot Stack Height: 21mm