Well built. Zippers are solid.  The four side pouches are about the size of a can of pop and two power bars, so you could have four meals there on the outside.  The molle straps are sewn in solid also.  Shoulder straps are well padded.  comes with the US flag morale patch, a nice touch.  The main compartment is big.  It's loose carry in there so you don't want to use this as a laptop bag. It has a space for a water bladder.  The expandable zipper will make the inner main compartment a few liters bigger I suspect.  It's quite a large bag to begin with so I doubt I'll expand it. It has side handles that are sturdy, so you can carry it briefcase style as well.  It has molle straps on the bottom, so you can lash another bag or your roll out mattress on there with a few nylon lashings.  Cons:  I use this as a day carry bag back and forth to civilian work, so I wish it had a water bottle holder outside the bag,  but I should have seen that before I bought it, so I can't knock it for that.  For the price, this one is a great value.  If I had to outfit a group with a sturdy travel bag, I'd choose this one.  Identical bags at local big box store was 90 USD .  I bought the gray, and the color is dark and not "too tactical" to carry around.