ISOtunes DEFY Slim Replacement Foam Cushions offer a trifecta of benefits for optimal hearing protection: superior comfort, noise isolation, and sound quality. Packaging includes 2 replacement foam ear cushions. 

DEFY Slim Replacement Foam Cushions fit the ISOtunes Sport DEFY Slim BT and DEFY Slim. For regular users, we recommend replacing ear cushions every 3-9 months depending on the frequency of use.

SKU# IT-87