Returned the product. Ich habe sofort meine Lieblingslieder probegehört bei denen zum beispiel mein Auto nicht den perfekten Klang wiedergibt. The heel bed on both shoes began to separate first. The inner foot bed is made with a nice spongy memory foam over a more rigid foam and includes an additional heel pad inside the construction of the inner sole. My shoe size rages from a 7-8 depending on the brand. Searching for them this way has helped me find them on sale many times. First the packaging is horrible. i dont know much about audio quality but it sounds great for just watching youtube, listening to music, and gaming. They part, but when boarding she finds the stranger is seated next to her. If the sound leakage is too much or surrounding environment a little loud, I switch to my AKG K550s which have as good a sound signature for a closed set.