The Katabatic Wind is our most technically advanced footwear yet. The next generation of Oboz Fast Trail hiking shoe features the Inertia of Motion (IOM) System made up of ACTNitro dual-density super critical foam and a forefoot carbon plate that work together to propel each step so you can go faster and further. Prioritizing weight and technical performance, the Katabatic Wind trail shoe is for fastpackers who count ounces and Fastest Known Times (FKT).