The Lid backpack from DAKINE has large side pockets and a secure buckle closer at the top. That should cover all the prerequisites for a legit pack. If you have further questions, now's the time to ask.
|Volume (L):||26.0 L|
|Height (in):||20.5 in|
|Width (in):||16.5 in|
|Depth (in):||9.0 in|
|Details:||Skate Carry StrapsSternum Strap15" Laptop PocketZippered Side Pockets|