- Approved by the American Chiropractic Association - FlexVent™ suspension system with injection-molded shoulder straps, padded back panel, and breathable lumbar panel, all ACA-certified - Comfortable padded mesh back panel with spine channel and PE layer for extra support - Large main compartment with internal pockets, hydration sleeve, and 15 laptop-compatible pocket - Secondary compartment with internal organizer - Front stash pocket for quick-access items - Two external mesh water bottle pockets - External bungee compression system with clips for versatile storage - Integrated, reflective bike-light loop - Removable sternum strap - Removable waist belt - Top haul handle - id: NF00CF9C4GZ