On the trail, it's not just about what you pack—it's about what you choose to leave behind. Meet The Atom, a thoughtfully crafted pack for the ultralight hiker. The Atom embodies the essence of less—hipbeltless, frameless, effortless. Tailored for those craving to go further, faster, it's your go-to for FKTs and ultralight thru-hikes. No frills, just pure functionality. This pack has few load assisting features and, as such, is only intended to be used by those with dialled in gear lists who like to enjoy the freedom of a light pack and moving without a frame or hip belt. Load capacity9kg / 20lbs max Pack weight453g / 16oz (medium) Height fully unrolled77.5cm / 30.5" Circumference at base79cm / 31" Circumference at top86cm / 34" Main body volume35L Side pockets volume2 x 2.5L The front pocket can stretch to hold up to an additional 5L in volume.