Make sure you choose the correct sized foam plug!
I've been happily using the Flare Isolate plugs (with large-sized replacement Earfoams) for some years, but when I discovered Flare has apparently discontinued the replacements, I purchased these new Flare plugs instead. I took them out and mounted the pads, but was concerned because the fit wasn't as tight and the noise blocking wasn't as good as my Isolates. On careful inspection, though, I realized that the foam plugs I'd put on from the package were *slightly* smaller than others also in the package. (The difference was almost impossible to determine, and they were all packaged together, which was a challenge). Once I switched them out, the seal was fine, as was the performance.<br /><br />For those who buy these and think they aren't as large or well-fitting as earlier models, try some of the other foam plugs in the package, and remember to order large-size refills when you're ready.
Rating: 5 stars