Features: -Lightweight, bomber ripstop nylon is weather-resistant and highly packable -Easy access top-loader with drawcord closure; zippered stash pocket; internal sleeve is hydration-compatible -Open, highly breathable mesh shoulder straps and back panel; adjustable sternum strap -Top-mounted, reinforced haul handle -Micro daisy chain provides multiple lash points 20L HAS ONE SMALL STAIN, see photos - it could come out, I haven’t tried washing it.