The running shoe with the soul of a hiking boot -- or are they hiking shoes with the soul of a runner? Either way, Merrell's Moab FST hiking shoes have what it takes to get you down the trail quickly and safely, such as a grippy Vibram® rubber outsole, a breathable mesh and TPU upper, and a cushioned M Select FIT.ECO footbed. Flexible, breathable mesh and thermoplastic polyurethane upper Bellows tongue keeps out debris Breathable mesh lining Merrell M Select FIT.ECO blended EVA contoured footbed has antimicrobial odor control Merrell Air Cushion® heel absorbs shock Molded nylon arch shank provides stability Durable Vibram® MegaGrip rubber outsole offers superior traction on wet and dry surfaces