Long Trail 60l Internal Frame Backpack Hiking Climbing Camping Outdoor Sports Travel Backpack Bag Rugged, internal frame backpack with 3661 cubic inch capacity Full-length adjustable torso and adjustable shoulder straps for a more comfortable fit Padded shoulder straps, padded waist belts and padded lumbar area for maximum comfort, with airflow system to reduce heat Separate sleeping bag compartment Includes a attached rainfly and is hydration system ready