Contour Backpack offers the ultimate in mobility for comfort-minded professionals. Padded, contoured shoulder straps ease neck and shoulder strain. SnugFit compartment suspends and wraps laptop for drop protection. Flap-free access allows you to quickly reach computer and contents. Convenient front pocket organizes key items at your fingertips. Handle doubles as a strap to hang the case from a wheeled bag. Backpack offers an expandable bottle holster and headphone port for MP3 player. 1680 Denier Ballistic Nylon protects against abrasions, punctures and tears. Computer compartment measures 1-9/10" wide x 11-1/2" long x 15-8/9" high. Backpack weighs 3.9 lb. and is endorsed by American Chiropractic Association.