Osprey Seral 7 Lumbar Pack – One Size, Postal Blue. The Osprey Seral lumbar pack is perfect for the minimalist looking for something other than a traditional over-the-shoulder pack. The Seral features a dedicated hydration compartment that stores an included 1.5L lumbar reservoir and compresses for stable carry. A dedicated hose magnet attaches the bite valve for easy access.

• Easily accessible zippered main compartment with internal tool organization
• Dual zippered hip belt pockets
• Front panel bungee carries extra clothing
• Direct access zip path to reservoir compartment
• Magnetic hip belt bite valve attachment
• Hydraulics 1.5L Lumbar Reservoir included
• Extra-thick ridged foam with center air channel for excellent ventilation
• Airmesh wrap hip belt with zippered fabric pockets provides stability and breathability
• WARNING! High-energy magnet could affect the function of electronic instruments like pacemakers or avalanche beacons. Swallowing hazard. Not for use by children under four years old. See Osprey Hydraulics Owners Manual for more information

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