Perfect for long distance hikes — used it on the WHW for 5 days with no shoulder or back pain. Comfortable fit, great waist support, and well-cushioned straps. The Osprey Kestrel 38 is a rugged, high-performance rucksack designed for demanding outdoor environments and multi-day trekking. It features a breathable AirScape backpanel with adjustable torso length for a custom fit and stable carry. Constructed from bluesign® approved 420D recycled nylon with a PFAS-free DWR finish, the pack is built for durability and sustainability. Technical specifications: Weight: 1.84 kg. Dimensions: 74H x 34W x 28D cm. Key features include an integrated raincover stored in a zippered pocket, a dedicated sleeping bag compartment with a floating divider, side zip access to the main compartment, and the Stow-on-the-Go trekking pole attachment system. It also includes dual ice tool loops, front panel daisy chain attachment points, and an internal hydration sleeve for easy access to water.