Description Magnetic Mount 1680 Denier Ballistic Polyester construction. Protective non-slip, non-scratch mounting base. Expandable main compartment increases bag's storage capacity. Top flap internal organizer and soft Tricot lining. Hideaway backpack straps. Internal removable shield tote. Clear-Vu removable and replaceable snap map pocket. Easy access, external eye glass case. Media Center® personal media pocket. 3M Scotchlite® reflective Cortech® logos. Accomodates 35oz/1 liter hydration bladders (not included). Built-in sip tube and headphone exit ports. Integrated stowaway rain cover included.