Ride longer and stay hydrated with the Osprey® Savu 5L Bike Hydration Lumbar Pack, a mountain-bike-specific waist pack with dual bottle pockets, 5 liters of cargo space, and a low-profile lumbar design that moves with you through every switchback and descent. The breathable back panel and adjustable hip belt keep the pack stable and ventilated while tool organization and a magnetic hose clip make mid-ride access effortless.