The men's Arctery'x Sylan GTX running shoes in edziza and solitude are designed for trail & mountain running and feature InFuse rocker midsoles made of EVA and Polyolefin composition to absorbs shock and provide rebound, grippy Vibram Megagrip outsole uses LITEBASE technology, a knit collar seals out debris, and Gore-Tex waterproof, windproof and breathable uppers.