Your gear should never limit your ambition to explore the backcountry in search of faraway summits. Equipped with REACTOR technology, we designed the R25 Ultralight to be the ideal companion on your most grueling backcountry adventures. The high-volume pack allows you to stow all the right gear for a demanding outing. The large opening for this front loader provides quick and easy access to your gear. Extremely comfortable, this lightweight backpack features our 3D-FIT technology as well as a ventilated-foam back panel.