LINK Foam Cushions DEFY Slim Passive is the

DEFY Slim Passive is the ultimate earmuff for distraction-free

With a secure neckband and convenient magnetic eartips

For regular users

fabric lining

and an optional boom mic attachment

LINK Foam Cushions DEFY Slim Passive is theISOtunes TRILOGY Foam LINK Replacement Ear Cushions offer a trifecta of benefits for optimal hearing protection: superior comfort, noise isolation, and sound quality. Packaging includes replacement ear cushions and a hygiene kit. LINK Replacement Ear Cushions fit the ISOtunes LINK 1. 0, LINK 2. 0, and LINK Aware. For regular users, we recommend replacing ear cushions, fabric lining, and foam inserts every 3 9 months depending on the frequency of use.