The Xtender Backpack is a well rounded backpack for all of those adventures.The pack comes with, Omni-Shield advanced repellency, Techlite shoulder straps, Fits up to a 15" laptop, Padded laptop sleeve, Dense EVA foam shock absorbing insert on bottom laptop compartment, Compression straps, Foam padded back for comfort and support, Internal organizer, Sternum strap with rescue whistle, Dual water bottle pockets and Reflective zipper pulls.