Standard rectangle-shaped pack with extra storage capacity to carry everything; Padded back for extra comfort and support; Padded backstrap straps with sternum strap and extra clip-on loops and D-rings; Luggage straps that can be put on rolling luggage or used to stow away backpack straps; Padded bottom in the central compartment to buffer impact damage; Coated water-resistant central compartment for gear; Top and Front carrying allows for carrying mode versatility; Side boot pockets with air/water drainage grommets; Bungee cord to hold the easily accessible layering hoodie or sweater; Extra large mesh pockets with zippered closures on each side; Extra pocket inside the central compartment for easy sorting and storage; Reflective piping throughout all sides of the bag allows for optimal visibility; Volume: 3500 cu in / 57 L