The plastic connectors to the blade wore down, started slipping, and eventually completely stopped. (Thats how it sounds just so u know. Our daughter has been wearing them for a couple of weeks now and never even had an issue with breaking them in. Now the bass is much more solid and controllable while still sounding big. I bought insteas of the Bose because back then the Bose did not have a wireless option. I would trust my AirPods with this case. These, however, are excellent in both categories. The memory foam bottoms are fine; but, the upper portion that wraps around the foot is rough, and the constant rubbing against my foot as I stand or walk gives me friction burns across the top of my foot no matter how loose nor tight I make them. but they are SO cute! Im Handel haben die Hausschuhe ,die schön kuschlig aussehen, nie eine ordentliche Sohle und diese schützt schon von unten her.