Off your back, on your game—the Raptor 4 is a premium mountain bike lumbar pack built for riders who demand stability, hydration efficiency, and trailside access without the bulk of a traditional backpack. It includes a 1.5L reservoir and a suite of bike-specific features to keep you focused and fluid on technical terrain.
- Includes Osprey Hydraulics™ LT 1.5L Reservoir, featuring a magnetic hipbelt bite valve, left/right hose routing, and secure internal sleeve for fast access on the move
- AirScape™ lumbar backpanel with 50% recycled EVA foam and Atilon framesheet contours to the body, enhancing stability and breathability over rugged rides
- ErgoPull™ hipbelt system with airmesh wrap and dual zippered pockets ensures a snug, bounce-free fit and easy access to essentials while riding
- Stretch mesh front stash pocket stores kneepads, gloves, or an ultralight layer within reach
- Removable tool roll and dedicated compartment keep trailside gear organized and accessible
- Additional features: LidLock™ helmet carry, goggle/accessory pocket, key clip, dual compression straps, and blinker light attachment point
- Sustainably built with bluesign® approved, 100% recycled nylon and PFAS-free DWR treatment for reduced environmental impact