Features: • Our FlexVent™ suspension system features a flexible yoke built from custom injection-molded shoulder straps; an unbelievably comfortable, padded back panel; and a highly breathable lumbar panel, all certified by the American Chiropractic Association • Comfortable, padded air-mesh back panel with a spine channel and PE sheet for extra back support • Large main compartment with internal organization pockets, a hydration port and a sleeve for a 15″ laptop • Secondary compartment with internal organization pockets • Front stash pocket • Two external mesh water bottle pockets • External bungee-compression system with clips offers several options for organization • Integrated, reflective bike-light loop • Removable sternum strap • Removable waist belt • Top grab handle • Colour: Black