LOVE LOVE LOVE my new Backpack for daily use at work.  I'm a woman at 5'5" so size and weight  is an essential consideration for ultimate comfort.  Also required a waterproof backpack and well-designed to minimize weight.  Already have several leather/fabric backpacks and rolling bags (Knomo, Tumi, etc), but none are water-proof.  Also wanted a bag that was both elegant, streamlined, and low profile -- Thrilled with this backpack.