They are comfortable to walk in and wear daily. I just can talk about mine that camed used with visible sign of installation and for witch the collor appeard visibly altered. Can confirm that these fit (Sony RF985R), although they sure dont go on as easily as the old ones come off. They have stretched just a tad making them very comfortable. Days 1-5 were great, then the squeaking began. Das Produkt ist für mich absolut unbrauchbar! Very comfortable compared to others in my collection. Although if you are into hardcore biking in night time i would advise getting more powerful. Based on the reviews saying it runs a tad narrow I went with the 7M and the fit is perfect. Keeps shutting off.