Exped Couloir 30 Backpack Dark Lava. Specifications for Exped Couloir 30 Backpack: Manufacturer: Exped Gender: Unisex Capacity: 30 liters Pack Volume: 30 liters Hydration Bladder Capacity: None Fabric/Material: Polyester Body Material: 210D HT Nylon Ripstop Condition: New Features of Exped Couloir 30 Backpack Winter touring focused layout Quick access openings Equipment attachment options Comfortable carry system Package Contents: Exped Couloir 30 Backpack Exped 7640445456500: Couloir 30 Backpack Dark Lava