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 for easier loading and unloading • protective, dedicated 16" 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 • two water bottle pockets can easily double as multi-use pockets with quick-draw smartphone access on one side • 360-degree reflectivity • u-pull YKK® zippers are easy to grab • comfortable, padded top grab handle • sternum strap with a whistle buckle • removable waist belt • coated, abrasion-resistant boot fabric • women-specific version available • laptop sleeve/ 34,9 cm x 28,6 cm • avg weight/ 1050 g • volume/ 28 liters • dimension/ s: 30,5 cm x 16,5 cm x 49,5 cm