Mountaintop 60L Internal Frame Backpack -HIGH-CAPACITY- 55L (3,356 cube inches); High quality professional backpack for camping, hiking and backpacking, designed to be comfortable and functionally versatile. Main compartment, sleeping bag compartment with divider, bladder compartment with hydra #NAME? #NAME? -CR POWER FRAME SYSTEM- Serves to support the pack and distribute the weight of its contents across the body more appropriately, by transferring much of the weight to the hips and legs. 8 different adjustable sizes to fit your height. Padded and breathabl -LIGHTWEIGHT & COMFPRTABLE- Weight only 3.5 lb (1.59 kg). Five colors available: Blue, Green, Maroon, Purplish Red, Sky Blue. Product Dimensions: 29.2 x 16.1 x 8.7 inches (76 x 41 x 22 cm).