The journey is your reward. You come to the trailhead fully prepared, you expect the same reliability and readiness from your pack—and the Aether 55 delivers. The Aether 55L Backpack from Osprey has been re-designed from the ground up to ease the ardours of multi-day backpacking. A backsystem overhaul boasts an injection moulded backpanel for load-carrying stability while an innovative webbing slide adjustment ensures comfort from day start to journey end. With custom Fit-on-the-Fly Shoulder Straps, a hipbelt and an adjustable torso to provide a near-perfect fit, this rucksack is, quite literally, the essential companion for backpacking aficionados. Made with bluesign-approved nylon, a PFC-free Durable Water Repellent (DWR) finish and including a handy raincover for those big downpours - it's your new best friend for climbs, treks, and everything in-between.