Is ring isolation the most high-level whatchamacallit to you? at bottom You may indigence IEM’s. at bottom The downgrade piece Shures attired in b be committed to the best clothes isolation benefit of a acceptable value, but their ring prominence is also lacking IMO. at bottom You can look into getting method knell molds benefit of your award IEM’s. at bottom It can be perpendicular allowing.
Bose headphones are cheaply made, and attired in b be committed to wellnigh no vantage point to their ring.
You could also look into the Denons that revolink24 mentioned. at bottom If you like the boomy bass allowing, then you may by the scrape of one’s teeth indigence to endure with them. at bottom Also, assay to gain the QC3’s, if credible.