Osprey Aether 55 Leggings A fleece lining and Thinsulate™

A fleece lining and Thinsulate™ make it warm and reflective graphics add a modern touch

From back flips to backcountry patrols

Calcium Carbonate: Chelated to carbonate (a salt of carbonic acid)

Mountainsmith knows the 80s

dependable and equipped to confront the day’s challenges

Osprey Aether 55 Leggings A fleece lining and Thinsulate™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 packand 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. Features Included