The Seral lumbar packs are perfect for the mountain biking minimalist. Supremely stable for laps on local singletrack or gravel trails, this off-the-back hydration solution provides carry for a few key essentials and water. The Seral Series includes a lumbar reservoir.  

• AirScape backpanel with contouring lumbar
• wrap provides maximum stability
• Included Osprey Hydraulics 1.5 L lumbar
• reservoir by Hydrapak
• Magnetic hipbelt bite
• valve attachment
• Large zippered main compartment with
• reservoir sleeve
• Easily accessible zippered front pocket with
• internal tool organization
• Dual zippered hipbelt pockets
• Blinker light attachment with reflective
• graphic