Osprey Seral 4 — For riders looking for a low-profile lumbar pack with integrated hydration, 4-liter Seral is the perfect trail companion. This slim waist pack features the next-gen 1.5-liter Hydraulics reservoir with high-strength magnetic coupling for improved hose management even in rough terrain and enough storage capacity for ride essentials, such as a spare tube, CO2 and multi-tool and, of course, snacks.
Specifications
| Capacity | 244 cu in | 4 L |
| Dimensions | 7.5 x 12.5 x 4.5 in | 19 x 32 x 11.5 cm |
| Weight | .932 lb |
| Materials | Main: bluesign® approved 100% recycled 600D PET packcloth, DWR treatments made without PFAS |
| Bottom: bluesign® approved 100% recycled 400D high-tenacity nylon, DWR treatments made without PFAS |
Features
- AirScape backpanel with contouring lumbar wrap provides maximum stability
- Large zippered main compartment with reservoir sleeve
- Included Osprey Hydraulics 1.5 L Lumbar Reservoir with strong magnetic hipbelt bite valve attachment.
- Main compartment tool organization and internal zippered pocket
- Blinker light attachment with reflective graphic
- AIRSCAPE™ LUMBAR BACKPANEL
- Extra-thick ridged foam with center air channel for excellent ventilation
- HIPBELT
- Airmesh wrap hipbelt with zippered fabric pockets provide stability and breathability, ErgoPull waist strap closure system allows for proper snug and stable fit
- WARNING: This product can expose you to chemicals including dimethylformamide, which is known to the State of California to cause cancer. For more information, go to oehha.ca.gov/proposition-65/about-proposition-65
Brand
Osprey Packs



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