Arc'teryx Aerios 18 Backpack - Chloris / ForageA hiking backpack for a day in the hills. Slightly more stripped back and minimalist in design compared with its competitors, the Aerios 18 still manages to be feature rich with intuitive adjustments. There's 18 litres of storage as well as two large side pockets for bottles or a rolled jacket, freeing up valuable space within. A breathable AeroForm back panel, fitted hip belt and dual sternum straps mean this is a very comfortable pack that feels