Ibex Internal Frame Pack Features: - Adjustable sternum strap with integrated whistle buckle - Padded, contoured adjustable shoulder straps with shock absorption - Front pocket with organizer for hiking gear - Front stow away system - Divided main compartment with bottom zippered access - Hydration compatible for 2 liter reservoir (not included) - Detachable GPS pocket on shoulder strap - 2 side mesh stash pockets hold water bottles or other quick access items - Aluminum stay with frame sheet - Padded adjustable back panel with lumbar support - Padded adjustable waist belt - Hide-away rain cover - Easy access media pocket with waterproof zipper Specifications: - Size: 23.5" x 13" x 9" - Capacity: 3100 cu. in. - Pack Weight: 5 lbs.