Though a long-time advocate of the Sitka Gearslinger bag from Maxpedition, I've recently switched to the Falcon 2, also from Maxpedition. Both bags have great everyday carry features, and like all things from Maxpedition, they're both built with superb quality control.
For a list of pros and...
The Maxpedition Sitka Gearslinger is everything you might expect to find in a daypack – and more. There is a pouch on the outside for a 32 ounce water bottle, a compartment for a water bladder, the main compartment is big enough for a Meal Ready to Eat (MRE), or an Eversafe meal, rain poncho...