The SpeedARC midsole system is a breakthrough in trail technology, fusing dual FloatPro foam layers with nylon FlexPlateTM engineering to give you unrivaled comfort and unstoppable energy return. A dual-layered midsole system, powered by proprietary Float Pro foam cushioning, delivers comfort that refuses to quit - step after step, mile after mile. Lab-tested and trail-proven, the SpeedARC Matis's nylon FlexPlate technology places the pinnacle of propulsion at your feet so you can hike more and effort less. The gold standard on any trail, the SpeedARC Matis comes equipped with a Vibram Megagrip outsole, offering all-terrain control and superior grip from rugged trails to city streets. Equipped with advanced GORE-TEX technology, its waterproof, breathable membrane keeps the elements at bay, ensuring your feet stay dry and your stride stays unstoppable.