Nice idea, poorly executed. I wish the volume control was placed higher, as it is tucked away if the wires are run through your shirt. 1) While they stay inside my ears fairly well, I do find myself pressing them back in my ear on occasion. *****As a user of the HD 280 since 2008, Ive been a fervent believer in Sennheiser. 2) GROSOR Y CALIDAD DE LA SUELA: en su parte más gruesa, yo diría que son más de 3 cms. Not sure if these are weight rated. ?????????????????????????????????????????????????? They have been my daily drivers for the past 5+ months. After few weeks using this headset, I have decided to write my feedback. If you have thin bath towels and leave them to warm about an hour before shower, this works OK.