Wenger Wandering 2574 Cubic Inch Mid-sized Internal Frame Backpack (Red, Grey, Black) Wenger's exclusive DoubleShot bite valve supplies an extremely high flow rate giving the user a healthy dose of H20 Fully adjustable suspension system providing unparalleled load carrying comfort Breathable padded back panel with curved shoulder straps give you additional comfort and portability Two main compartments and front pocket with school/travel organizer.. WG243011. 23 inches x 12 inches x 8 inches. 2574 cubic inch capacity Limited Lifetime Warranty