I emailed the vendor and got a fast response. That said, its not bad enough to warrent replacing them until the sole wears through, which usually happens first on the side of the heel for me. The sound quality is good, it?s very portable. with use. Cest tout ce qui mimporte. I wear a size 6 1/2 and the other reviews mentioned sizing down. Ein derartiges Problem kenne ich nur vom Master & Dynamic MW60, dem Sennheiser HD820 und dem Focal Stellia bei hohen Lautstärken (die aber beide nicht als mobiler KH gedacht sind) Alle anderen Mitbewerber machen es besser (M&D MW65, Momentum, H9i und H9, Technics EAH F70, Audeze, Bose etc). I have the top rack higher in the front and lower in the back. The first step onto the memory foam feels great as you feel your foot is comforted. It is too narrow for most spice bottles