Give me one with a nice grain pattern, please.
Panel-Loading Backpack (Panel-Loader): Mostly on external frame packs. There is an opening at the top of the front and another (often U-shaped, zippered opening) under it, sometimes with a panel inside separating the sleeping bag compartment from the rest of the pack.
Panel-Loading Backpack (Panel-Loader): A pack that features a horseshoe-shaped zipper allowing you to peel back the front of the pack for access to the whole main compartment.
Somewhat harder to load and more delicate than a top loader, due to the zipper.
Compression straps over the zippers can let you reduce some of the pressure on the zippers though.