With its slim design and next-gen reservoir, the Osprey Seral 4 waist pack is for riders looking to hit the trail with low-profile, integrated hydration while keeping snacks and a spare close at hand.
- PFAS-free durable water repellent (DWR) finish
- Includes an Osprey Hydraulics 1.5-liter lumbar reservoir with a strong, magnetic hipbelt bite valve attachment
- Large zippered main compartment with internal reservoir sleeve, tool organization and zippered pocket
- AirScape back panel with contouring lumbar wrap provides maximum stability
- Blinker light attachment with reflective graphic (light not included)
Imported.
View all Osprey Cycling Hydration Waistpacks| Best Use | Mountain Biking |
|---|---|
| Gear Capacity (L) | 4 liters |
| Gear Capacity (cu. in.) | 244 cubic inches |
| Reservoir Compatible | Yes |
| Reservoir Included | Yes |
| Bottle(s) Included | None |
| Liquid Capacity (fl. oz.) | 50.7 fluid ounce |
| Liquid Capacity (L) | 1.5 liters |
| Weight | Unavailable |
| Fits Waist/Hips | 26-50 inches |
| Material(s) | 600-denier recycled PET packcloth (bluesign®-approved) |
| Number of Exterior Pockets | None |
| Pack Access | Panel |
| BPA Free | Yes |
| Gender | Unisex |
| Sustainability | Contains materials that meet the bluesign® criteria Contains recycled materials |