Easy to install, seems sturdy and looks good. I have no complaints about the actual audio quality, the anc works well. My saving grace was to use quick hold E6000 glue and I glued the hinge pin to the bottom of a toothpick in an L pattern so that when I lowered the pin into the hinge assembly and moved it to the side, the pin stayed perfectly still and slid right into the hinge. Organic Cotton! My feet are happy throughout day including while working from home. Like really buy them all in every color. Very easy to apply! Impossible. Plus I’ve never bought shoes online because of sizing matters. I love the look and fit, just like the picture.