Osprey hiking backpacks use the same general construction as most framed packs on the market — coated nylon body fabric, foam-padded hip belts and shoulder straps, and on many models a tensioned mesh back panel suspension that stands off the back for airflow. That mesh suspension is the one detail worth extra care during washing.
Washing the mesh back panel
A tensioned mesh back panel sits away from the main pack body on a frame, so it needs gentle scrubbing rather than hard brushing, which can stretch or tear the mesh weave. Rinse it thoroughly, since trapped soap residue in tightly woven mesh is harder to flush out than from flat fabric panels.
Hand wash, not machine wash
Like most hiking backpack brands, hand washing is the safer default for an Osprey pack. Machine agitation risks bending internal frame stays and snagging the compression straps, buckles, and mesh pockets that framed packs like Osprey's are built with. A cool-water hand wash with mild soap and a soft brush covers the body fabric, hip belt, and shoulder straps without that risk.
Drying an Osprey pack
After rinsing, turn the pack inside out where possible and hang it in a shaded, ventilated area rather than direct sun or a dryer. The mesh suspension panel dries quickly on its own once the pack is upright with airflow moving through it; the foam-padded hip belt and shoulder straps take longer and should be checked for lingering dampness before the pack goes back into storage.
As with any hiking backpack, check the specific model's sewn-in care label for any model-specific notes, since construction details vary across an Osprey lineup that spans daypacks through mountaineering-alpine packs.