Made from PU-coated polyester ripstop with a polyester lining. Features a laptop compartment that fits laptops up to 17 inches, a large hood-style main compartment opening, a gear pocket with key hook, a padded and ventilated back panel, adjustable ergonomic shoulder and sternum straps, an external zippered pocket, two side mesh pockets, side compression straps, and an internal sleeve pocket. Capacity: 25 liters (1,525 cubic inches)