ALPS extremely popular Orizaba pack is now available in 3 different sizes and capacities. The shoulder straps are padded and have load lifters for easy adjusting. Two aluminum frame stays provides great support. It does have a lower zippered access to make it easier to get to your items throughout your hike. An internal hydration pocket allows you to carry plenty of water to keep you hydrated on your excursion. In addition to the large mesh front pocket, there are side mesh pockets with bungee cord to store your small items. The top of the Orizaba pack extends with a spindrift collar, so you can over pack. This pack has an exceptional combination of durability, comfort, and affordabilitywhat else could you ask for?