Osprey Metron Airspeed 34 Backpack is a commuter-focused pack designed for bike-to-work days and everyday use. It features an expandable 26–34 L main compartment and an AirSpeed backpanel for ventilation and comfort. Key attributes: Brown | Marrone | Polyamide | Reflective graphics for increased visibility | AirSpeed backpanel for ventilation | Hi-Vis raincover included | Expandable with zipper (26 L to 34 L) | Adjustable shoulder straps | Adjustable sternum strap | Hidden LidLock helmet attachment | Two elastic side pockets — one zippered, one side-access for a bottle | Integrated kickstand | Contrasting logo detail on the front | Elastic mesh front pocket for lock or waterproof jacket | Dimensions & fit: Height: 74 cm | Width: 40 cm | Depth: 30 cm | Composition & care: 100% polyamide