Your ears may disagree. The lowest bolts that connect the lower uprights is hard to see when tightening and usually I stop when I "feel" its tight enough. Ordered twice, still got the same incorrect size. For the money compared to other memory foam slippers they were good value. He has worn them nonstop for two days and has no signs of blisters. This one has sharper edges, so the sharp rubber rubs your heel and top of your big toe. Its too bad the construction on these shoes is so poor and theyre starting to fall apart, because the tread is hardly worn, and the fit is great. You sit for a moment. Btw I use a iphone 7 with a thick UAG trooper case and that pushes the expandable limits of the mount by at least 85-90 % and the rubber net by at least 90% to help people guage what size phones can fit. Even without ANC on, sound is pretty muffled because the pads on the ear pieces is so thick.