The Topo Athletic Ultraventure 4 is a max-cushion trail shoe built for long days on the trail. ZipFoam midsole delivers plush, responsive comfort while a 5mm drop and Topo's signature anatomical toe box keep the ride balanced. Vibram MegaGrip outsole with multi-directional lugs delivers reliable traction across mixed terrain — a go-to for ultras and big mileage days.