Ultimate expedition pack for serious trips. It’s rated for 5,000 cc’s of space, and goes up to beyond that with the top extension. Super durable, with the waist belt/shoulder strap suspension system that makes the heaviest load comfortable. The top pack and waist belt easily detach to make a great Fanny pack for accent day. This pack was only used 3 or 4 times. It is size Large. Comes with a Granite Gear rain cover.