For folks planning to travel with their hiking, backpacking or trekking pack, the AirCover does double duty as a durable cover with a zip-back closure to fully encase and protect your pack on the bus, train or plane and doubles as a raincover when you hit the trail. Comes in two sizes to fit most packs. Key Attributes Part of a coordinated system for optimized packing. Customize your experience by adding on smart packing and organization accessories that meet your exact needs. All of our accessories have been overhauled to offer better organization, operation, comfort and reduced environmental impact. + bluesign® approved main body fabrics+ GRS-certified 100% recycled main body fabrics+ All DWR treatments made without PFAS Features Packs into itself Includes draw cord to adjust fit Zips closed to protect pack when checked Works with pack straps for rain protection Specifications METRIC U.S. SIZE VOLUME DIMENSIONS WEIGHT O/S 5492 IN3 / 90 L 29.13H X 17.32W X 14.17D IN. 0.747 LBS. FABRIC MAIN bluesign® approved 100% recycled 40D high-tenacity nylon, DWR treatments made without PFAS