Compatible with ISOtunes PRO, ISOtunes PRO Aware, ISOtunes Xtra, ISOtunes Wired, and ISOtunes Sport ADVANCE.

ISOtunes TRILOGY™ Foam Replacement Tips offer a trifecta of benefits for optimal hearing protection:

1) Superior comfort - super soft memory foam
2) Superior attenuation - made from the best materials available to reduce outside noise
3) Superior sound - durable core material that will not distort sound/music quality

Choose between Extra Small (white core), Small (green core), Medium (black core) and Large (blue core). All orders come with 5 pairs.