Our classic backpack provides easy-to-access pockets for organization and our FlexVent suspension system. The FlexVent suspension system features a flexible yoke built from custom injection-molded shoulder straps; an unbelievably comfortable, padded mesh back panel; and a highly breathable lumbar panel for maximum breathability all day long. Dedicated, highly protective laptop compartment. Large main compartment for books and binders. Front compartment with internal organization has a padded tablet sleeve, a pendolier and additional secure-zip pockets. Reflective bike-light loop, water bottle tabs and shoulder-strap webbing create 360 degrees of reflectivity. Two external mesh water bottle pockets can easily double as multi-use pockets with quick-draw smartphone access on one side. External, fleece-lined pocket for sunglasses, phone or keys. Front elastic bungee system for external storage. Comfortable, padded top handle. Sternum strap with whistle buckle. Removable waist belt. 19.75'' x 13.25'' x 9.75''