Reverse gauge nylon with PVC coating and grey contrast 210D lining|Large main clamshell opening compartment with expandable zippered compartment and dual zippered mesh pockets for overnight /weekend travelling|Large fully cell foam padded front zippered universal storage compartment|Zippered fully cell foam padded universal storage compartment including dual 15.6Ó laptop and 10.1Ó tablet compartments with Velcro closure|Zippered passport/security pocket on top of back panel|Mesh backed shoulder straps and contoured padded back panels|Multiple wide webbing reinforced grab handles|Front pocket compartment with waterproof zip|Zippered front pocket with Velcro safety flap|Reflective detail for added protection|Quick release side compression straps|Detachable key fob|Capacity: 34 Litres|Expanded 49 Litres