The Arc'teryx Aerios 18 backpack shows how a lightweight hiking pack can still feel considered. The patent‑pending two-point harness adjustment system lets you dial in the fit before you even hit the trail — no faff, no mid‑hike adjustments. The grid fabric is ultralight, tough, and shrugs off light rain. A hydration port makes it easy to thread your tube outside the main compartment, and the pack’s set‑up is fully compatible for a reservoir bladder (not included). Body: 93.6% Cordura Nylon, 6.4% Polyacrylate, Lining: 100% Polyester Mesh, Durable Water Repellent Finish, Adjustable Sternum Strap, Removable Waist Belt, Bungee Compression System, Two-point Harness Adjustment System, 2 Trekking Pole Attachment Points, Zip Pockets At Shoulder Harness, Hydration Port, Compatible With Reservoir Bladder, Style Code: X000010704-002291, - Arc'teryx Aerios 18 Backpack Black
