BOREALIS CLASSIC. Our much-loved Borealis pack has been scaled down for city life. This small 10-liter version features easy-access organization, our super-comfy FlexVent suspension and a proud recommendation from the American Chiropractic Association. FLEX VENT TECHNOLOGY. The FlexVent suspension system features a flexible yoke built from custom injection-molded and flexible shoulder straps, a padded mesh back panel and a breathable lumbar panel for comfortable, ventilated support. TOTAL ORGANIZATION. Two external water bottle pockets double as multi-use pockets. The main compartment has an extra padded tablet sleeve and internal pocket. Plus, external bungee-compression system offers more options for organization. COMFORTABLE CARRY. For everyday use, travel and everything in between, this backpack features U-pull zippers for easy grabbing.