The Zion is an external frame pack designed with comfort and durability in mind. The Zion offers 3900 cubic inches of capacity, allowing you to pack for even the longest hikes. The Zion is easily adjusted utilizing its telescoping frame. With a torso range of 17 to 24 inches and a waist belt range of 28 to 40 inches, the Zion is designed to accommodate backpackers of any size. The Lycra covered suspension components, maximize comfort for all day trekking while the vented lumbar support keeps your back cool. Side pockets, lower stretch side pockets, sleeping bag compartment, large front pocket and top loading main compartment make it easy to organize all of your gear. If you are the type of backpacker who prefers an external frame the Zion is for you.