Osprey Seral 4 Unisex Hydration Lumbar Pack Postal Blue O/S

For riders who prefer off-the-back hydration carry and the minimalism provided by a lumbar pack. Our bike-specific, angled hipbelt and compression straps provide stability and comfort with a close-to-body fit. A dedicated hydration compartment stores an included Hydraulics LT 1.5 L Lumbar Reservoir for short to medium rides and compresses for stable carry. Bluesign approved main body and bottom fabrics + GRS-certified 100% recycled main body and bottom fabrics + All DWR treatments made without PFAS + BPA-free reservoir AirScape backpanel with contouring lumbar wrap provides maximum stability