Winner of the 2021 Backpacker Editors' Choice Gold Award. 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 and 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.