maintaining their durability and optimal performance

Volume Limiting (VL) Technology Available

AUX input can connect to MP3 players and other portable audio devices

Unlike traditional and digital ear protection

The special filters prevent a sense of isolation from the outside world

Macks Therma Fit Foam Earplugs (NRR 29 | Bottle of 40) upsell_flare-earshade maintaining their durability and optimalMack's ThermaFit Soft Foam Ear Plugs feel firm out of the package, but therein lies the secret to why many consider these the best earplugs ever. The rigidity of these earplugs make insertion into the ear canal easier than with some competitor's softer foams that can bend and crumple during insertion. After insertion, the PVC foam reacts with your body heat to slowly expand and fill the unique contours of your ear canal, creating a super comfortable,