Gregory Sketch 18
Here's what other sites are saying:
Equally at home on a quick hike and on the way to the work, the clean and elegant Gregory Sketch 18 pack stows your necessities for a quick hike or daily commute.
Slim and streamlined but with plenty of room for a day's worth of hiking or school gear, the Gregory Sketch 18 Backpack is a one-pack quiver for all your single-day adventures. The main compartment holds books or layers, while the internal sleeve fits a laptop or hydration reservoir, depending on your mission, and the top security pocket keeps your keys, phone, or wallet safe when you're on the trail. Two side pockets keep other gear close at hand, while the daisy chain lets you strap things to the outside, and the sternum strap helps keep your load in place.