The ePac has a unique side loading laptop pocket with very thick foam padded walls surrounding the encasement. The pocket is zippered so its secure but still very quick and easy to get access to. Fits most 15" screen laptops. The ePac has a built-in organizational pocket that has proper placement locations for pens, papers, cell phones, PDA's and more. The CD player pocket has an elastic grip and uses a rubber hole portal for the ear-phone wires to go through for convenient use. Has special shoulder straps that have "jelly" centers which adds a cushioning effect by softening the impact of a heavy load over your shoulders. The back of the bag features ribbed polyethylene foam padding. As a free bonus with the ePac comes the "TechnoPod", a portable media pocket that can hold just about any of today's many techno-gadgets.. iPods, cell phones, digital cameras to name a few. Even has a belt strap so that it can be worn around the waist as well as having a hole for wires to pass through.