Our classic Borealis features a bungee cord system for storage and compression and has compartments and pockets to help keep things organized. The FlexVent™ suspension system, certified by the American Chiropractic Association, has articulated shoulder straps, a rounded back panel, comfortable stitch lines and soft-touch chemise fabric. External bungee-compression system with clips offers several options for organization. Side bungee cords allow for compression. Bottom compression. Stand-up design. Protective dedicated laptop compartment. Large main compartment for books and binders. Front compartment has internal organization with secure-zip pockets and a padded tablet sleeve. External, fleece-lined pocket for sunglasses, phone or keys. 360-degree reflectivity. Two durable, external water bottle pockets can easily double as multi-use pockets with quick-draw smartphone access on one side. U-pull YKK® zippers are easy to grab. Comfortable, padded top grab handle. Sternum strap with a whistle buckle. Removable waist belt. Women-specific version available.