Rev'it! Eolian H2O Backpack The Eolian H2O backpack combines compact design with functional performance for outdoor adventures. With an internal waterproof roll-top and hydration pack compatibility, it efficiently utilizes its 9L capacity. The clever design ensures effective load distribution and organization, making it an ideal choice for those who prioritize functionality in a compact form. Overview: Capacity: 9L Chest Strap: Yes Waist Strap: Yes Laptop Compartment: No Waterproof: Yes Features: PWRShell ripstop construction 3L hydratex waterproof roll-top compartment 6L non-waterproof storage compartments Hypalon EPO External net with elastic cord for additional storage Compartment prepared for 3.5L hydra bag Reflective elements