Cyclists looking for a flat belt bag with integrated hydration system have found the right thing with the Seral 4. The Seral 4 offers enough space for the most important things on the road – spare tube, cartridge pump, multitool and of course snacks. Made of high-quality, recycled, high-strength nylon with bluesign® seal and PFC-free DWR impregnation.
Features of the Osprey Seral 4 Fanny Pack + Hydration Bladder
- 1.5L Hydraulics™ Lumbar hydration bladder included
- Internal key clip
- LED light attachment







































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