• Advanced air pocket design features internal noise-blocking fins
• Four-flange profile creates better seal in the ear canal
• Less pressure in the ear canal eliminates that -Äúplugged up- feeling
• Rounded flanges, tapered shape fits better in the ear canal
• Firm stem facilitates easy insertion and removal
• Outstanding noise-blocking protection -Äì highest attenuation in reusables
• Provides more comfort than other flanged, reusable earplugs due to the softer flanges not applying as much pressure