Reebok Delta Grouper Backpack, Black, One Size Padded laptop compartment- holds up to a 15.6 inch laptop or an H2O hydration system. It also includes a tablet pocket Large, multi-compartment design provides increased organization. 2 front vented shoe pockets. Expandable front stash pocket Mesh padded shoulder straps and back panel provide comfort and increased air flow in key contact areas. Organizer helps keep smaller items easily accessible. Quick grab handle for lifting a full bag Tricot lined pocket. Mesh side pockets for beverages and quick access items 19.5x12.75x8