Osprey Exos 38, a lightweight technical multi-day backpacking pack. It is well-regarded for bridging the gap between traditional heavy internal frame backpacks and minimalist cottage-industry ultralight designs.Key Technical SpecificationsVolume Capacity: Approximately 36 to 40 liters depending on the sizing configuration (Small/Medium vs. Large/X-Large).Average Weight: ~2.63 lbs (1,190 g) for a standard Small/Medium configuration.Optimal Load Range: Best suited for carrying total weight capacities of 20 to 25 lbs.Frame System: Built with a 4mm LightWire alloy periphery frame structure.Main Fabric composition: Made with bluesign® approved recycled 100D high tenacity nylon ripstop using PFC/PFAS-free DWR finishes.Core Structural FeaturesAirSpeed™ Suspension: A 3D-tensioned breathable mesh backpanel that creates an open airspace between your back and the pack body to maximize airflow and cooling.Removable Floating Lid: The entire top pocket lid can be completely detached to drop roughly