A trail runners most versatile option, PRO Endurance Trail Nature is perfect for a variety of terrains and distances. Aligning with our ambition to decrease the ecological footprint, the shoe's one-piece engineered stretch-knit upper is made from natural corn fiber. In addition, the shoe features a Px FoamTM midsole that's optimized for explosive toe off and feather-soft landings, enabling a more efficient stride. Performs and responds on varying on and off-road surfaces, this premium trail running shoe allows you to pile up the miles.