The Rainforest 3L is our largest multi-purpose hydration system that features a 100oz bladder and 30 Liters of storage capacity. This hydration pack is great for single day excursions or multi-day adventures with multiple internal/ external storage pockets and includes a Rain Cover for those afternoon showers. a Dedicated Anti-Sloshing 3L hydration bladder with quick-disconnect tubing and stabilizing handle for easy fill and cleaning a Insulated Cooler Fabric lining that keeps liquid cold for 30% longer a Large external front pocket for carrying helmet, bulky gear or overflow storage a Large main compartment with zippered pocket, dual mesh pockets for storing gear and high-viz liner for low light conditions a Upper EVA molded pocket to store your cell phone, GPS handheld or other quick access gear a Multiple Internal pockets for stowing gear away and dual external 4-way stretch side pockets a Ergonomic EVA molded back panel with directional air flow for moving moisture away from your body a Multi-Adjust harness system designed for easy maneuverability. Built for precision fit of all body types a Web Tech feature safety secures excess webbing 19.5" H x 8" D x 12" W / CM 49.5 H x 20.1 D x 30.4 W 2.75 lbs/1.25 kg (excludes bladder) | 1,872 cu.in/30L 150D honeycomb ripstop with TPE backing and 420D Oxford nylon with PU backing