Time will tell but I doubt Ill ever buy another Festool track. They take a couple of days to break-in nicely and then they fit like a glove. gut ist der noise canellation effekt, der akku hält auch lange. That place where straps meet comes just above my pinky toes and rubs a little. 4Ghz connection to the USB dongle. The shiny plastic clouds with age within a few years, just sitting in your closet. All parts are labeled with stickers. not loudly though. My son wears a size 15 and was in need of black sneakers. Straight up sounds like i might crap my self at any moment.