Hydration Pack Features: CamelBak Cloud Walker Hydration Pack Full-featured day pack with great value 2L (70 oz) OMEGA? HydroTanium?Reservoir Extra large opening for easy filling and cleaning HydroGuard? anti-microbial technology PureFlow? delivery tube Patented, proven Big Bite? Valve 90-degree Ergo HydroLock? shut-off valve Durable and leakproof with lifetime warranty Keeps water fresh with no plastic taste Full-zip insulated reservoir pocket is easy to load Large, zippered main compartment Front organizer pocket Special pocket for MP3 player with headphone port Independent suspension system Split mesh padded back panel for breathability Padded, adjustable shoulder straps Adjustable, elastic sternum strap Reflective strips on pack and straps for visibility Ideal for day hikes Capacity: 70 oz (2.0 L) Cargo: 1340 cu. in. (22 L) Dimensions: 19.3" x 8.1" x 8.5" (49 x 20.5 x 21.5 cm) Weight: Empty reservoir - 1.71 lbs (0.78 kg) Filled reservoir - 5.97 lbs (2.71 kg) Color: Black / Fennel Seed