Product Details     Style: OCTANE 12 The Camelbak Octane 12L Hydration Backpack is a multi-task workhorse for trail hikes. It has 12L of space with 10L dedicated for cargo and trail necessities and 2L of hydration. The rugged back foam panel, 3D vent mesh, and command center harness maximizes comfort and breathability. The Octane 12 has a stretch overflow pocket and stretch side mesh pockets for easy access to your gear. KEY FEATURES Dual Adjust Sternum Strap easily adjustable give you a custom, comfortable, and secure fit Big Bite™ valve is easy to use – just bite and sip 3D Vent Mesh EVA foam with molded air channels keeps you coolSPECSVolume (Liters): 12 Dimensions: 18.1" x 8.7" x 5.7" Empty Weight 1lb 3oz FEATURES Crux® Reservoir holds 2L / 70oz 100% Free of BPA and BPS Narrow design perfect for day hiking Trekking pole attachment keeps them handy HydroLock™ valve shuts off water ensuring no leakage Safety whistle in case of emergency Camelbak Octane 12L Hydration Backpack