The Team Wendy EXFIL® Peltor™ Quick Release Adapter Kit with Peltor Boom Mic Adapter...... is compatible with all Peltor™ COMTAC systems... eliminates rigid metal hoops for a better fit and more comfort... mounts directly to the quick release slot of the EXFIL® accessory mounting system without tools... offers quick donning and doffing of the helmet in open and closed position... allows the cabling to be easily routed inside or outside the helmet shell... includes a boom microphone adapter