The upper part is non-stretchy fabric, except the outer edges, which have a slight stretch for comfort. Great for the office! The dark gray isn?t at all like the picture (which is too bad)- they are lighter in color and have a lot of silver sparkle in the material. It hits just above the knee for me. However, I just wanted something basic and this fit the bill. Except Hisea seemed to fit size 10 with insert [i. In a few weeks the faux leather coating has already begun to deteriorate. Since the outlets are sideways and most router/modem male connections are now wide, this works out perfectly to be able to plug in multiple things right next to each other. Three hundred U. However, they still have some kick, which comes through even more when the ANC mode is activated.