DEFY Slim Passive shirt ADVANCE BT is seriously comfortable

ADVANCE BT is seriously comfortable and has bluetooth for accessibility

Here's what folks are saying about them Eric Gorgesof A Craftsman's Legacy The battery life easily lasts a full day of use

The Protection You Need

Confidently use these on the job site with ANSI-certification and compliance to OSHA regulations

DEFY Slim Passive shirt ADVANCE BT is seriously comfortableDEFY Slim Passive is a noise isolating, passive hearing protector in an ultra slim design. Featuring foam ear cushions, and an adjustable headband, DEFY Slim Passive is for shooters who need a no frills, practical hearing protection solution. Certified hearing protection blocks 23 dB Gel cushion compatible (sold separately) Adjustable headband fits most (S L)