Epic XT 3.0, a 35 liter hydration pack ready for any adventure. This backpack is compatible with long multi-day activities. Since version 2.0, this backpack has been refined for better access, comfort and capacity. It is now available in 2 sizes; SM/MD and MD/LG. The back panel contains a removable insert that follows the natural curve of the body improving cooling, comfort and weight distribution. Open cell foam on the shoulder straps and hip belt has been added for moisture wicking and comfort. The roll top closure uses side and rear compression straps that allow the backpack to travel safely whether empty or fully loaded. The back panel also has a large hidden mesh pocket. The front harness features our MaxO2 Form system and 4 large stretch mesh pockets.