Osprey Seral Waist Pack

The 4-liter Seral is the ideal trail companion for riders seeking a low-profile lumbar pack with built-in hydration. This sleek waist pack comes equipped with the latest 1.5-liter Hydraulics reservoir featuring a high-strength magnetic coupling for easier hose management, even on rugged terrain. It also offers ample storage space for essential ride items, such as a spare tube, CO2 cartridge, multi-tool, and, of course, snacks.

For riders who prefer carrying hydration off their back and appreciate the minimalist design of a lumbar pack, the Seral is the perfect choice. Our bike-specific angled hipbelt and compression straps ensure stability and comfort, providing a close-to-body fit that is ideal for long rides.

The dedicated hydration compartment can accommodate the included Hydraulics LT 1.5 L Lumbar Reservoir, making it perfect for short to medium rides. It can also be compressed for secure carrying. Additionally, the pack features bluesign approved main body and bottom fabrics, GRS-certified 100% recycled materials, DWR treatments without PFAS, and a BPA-free reservoir.

The AirScape backpanel with contouring lumbar wrap offers maximum stability, ensuring that the pack stays in place even during the most intense rides. With its sleek design, innovative features, and high-quality materials, the Seral is the ultimate choice for riders looking for a versatile and reliable hydration solution on the trails.

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