If you are after style and comfort, and need a new home for your 15.5" notebook, don't look past the medium eclipse backpack.

This backpack has 3 distinct sections:

at the front is an organiser pocket with space for portable music player and sound port
in the middle is the laptop cell, with waterproof zipper and high density padding, suitable for laptops with screens up to 15.5"
the back section is for books and folders