You come to the trailhead fully prepared, you expect the same reliability and readiness from your pack—and the Aether 55 delivers. Custom Fit-on-the-Fly™ Shoulder Straps, Hipbelt and an adjustable torso provide a near-perfect fit while an injection-molded backpanel offers close-to-body performance. Made with bluesign®-approved nylon and PFC-free DWR. Raincover included.