With Alpine WorkSafe Custom 4D earplugs, you are protected from loud and harmful noises while working, while still being able to clearly hear conversations with your work partner. These custom-fit earplugs are specially designed for DIY enthusiasts and professionals, shaped specifically for use during work projects. Thanks to digital manufacturing, the fit is extremely precise. This “4D technology” is what gives the earplugs their name. Not only is the exterior custom-made, but the sound canal inside can also be shaped with high precision using a computer scan. The super-soft material ensures optimal comfort while maintaining Alpine quality.

In short: 100% custom fit and 100% convenience.