Hydraulics 2L Reservoir flatwater Our incredibly ventilated AirSpeed backpanel

Our incredibly ventilated AirSpeed backpanel means you won't have to deal with the discomfort of hoisting a sweaty pack onto your back

or factory-installed racks

yet it has enough room for extra layers on the trail

utility and durability

as well as superb maneuverability for easy entry and exit

Hydraulics 2L Reservoir flatwater Our incredibly ventilated AirSpeed backpanelOsprey's Hydraulics 2L Reservoir by Hydrapak is ideal for large volume packs and long duration activities. The HydroStatic backerplate provides structure for easy loading into a full pack and maintains a flat profile. Thoughtful design makes filling, cleaning and most importantly staying hydrated on the trail easier than ever.