They are warm and comfortable, offering a lot of support and take away the pain of walking on hard surfaces. The sound quality is amazing, you should hear it to believe it. You cant go wrong with the build materials chosen. All of the features work as expected. All of the included attachments were too small, they were for a smaller unit. This means you can make a perfect fit even if you have a tweener foot size. Están muy cómodos e incluso calentitos (perfecto para invierno), pedí una talla más grande a la mía por las sugerencias y eran ciertas, vienen más pequeños. El único problema es que aunque soy 4, sí me quedaron medio número más grande, por lo que yo sugeriría que los pidieran medio número más chico. I had to order two sizes smaller than what I normally wear. Item was not charging properly out of the box.