I bought an Oregon Aero kit a few years back for my headset. It lasted less than a week. The noise suppression was less than the standard earseals, and those seals were so thick that they moved around on my head and on the headset. I haven't paid them any more money, and won't in the future. The best earseals I've found are gel-filled, either the standard DC or from third-party vendors. They're comfortable, and provid a good seal, thus good noise suppression. I used liquid-filled seals some years back, but you have to be careful with them, because they can leak, and then you have liquid silicone all down your shirt, and a very flat, very hard earseal. I've seen gel earseals completely torn, with a big hole, and the gel still in place.