The frame is bent the arms of the glasses are not right when compared to the same glasses from sunglasses hut one arm is super tight and hard to move the other one is bent out and super loose. No gravel involved just crummy carpet. This is cool My issue and why it only gets 4 stars instead of the 5 is with my HifiMan Sundaras expanded to the 8th click on each side (I have a large head) my cables just manage to hit the end of the omega on each side. I had one kid use the product, and we did a test video conference, with her in her study room with soft music in the background and with the other kids talking next to her, while I went to another room to see how much ambient sound gets cancelled. I might buy them for the kids if they do. A very tiny complaint I have is with buying shoes like Booties or Boots. Box did not come with the latch to keep it closed, so it was a mess of pieces in the box, but, all the parts are there so three stars I recommend ordering a size bigger than your normal size, so I should have got an XL instead of a L. If they had just moved the pouch to the opposite side of the lid the items would sit over the empty space that wraps around your head when wearing the headphones.