I had seen on a trade show in Germany. It really changes the usual plastic bags. Very soft to the touch, the leather piece falls right where you put your hand to carry the computer. It is right to measures of a Retina 15 inches, rather fine, and the small front pocket allows to cram paper, pen ...
Two small negatives: with a little more height, front pocket hosted an iPad, and the Mac to recharge, it should go out a little.