High Sierra 26" Railpass Travel Pack Large front load main compartment hinges open from the side for easy packing. Removable day pack, with padded backpack straps, can be worn in front for security. Vapel&#8482; mesh Airflow&#8482; padded shoulder harness with adjustable load-lifters change the position of the pack on your back by simply adjusting the straps. Removable, adjustable aluminum stays can be bent to fit the contour of your back. Removable padded shoulder strap.