used for school, traveling (perfect carryon backpack) and hiking. padded laptop sleeve lots of space padded straps and backing water bottle pockets on both sides built in whistle on chest strap adjustable strap all all for comfortably and support please ask if you have any questions. I've personally never seen another like it, which was part of why I originally got it all those years ago. ✨Reasonable offers will be considered! ✨ all purchases are helping us with moving costs to build our new house, any support is greatly appreciated 💖🙏🏼