Alpine SwimSafe Custom 4D earplugs are custom-made, and thanks to digital production technology, the fit of the Alpine SwimSafe Custom 4D is extremely precise. The super-soft material ensures optimal comfort, keeping the earplugs comfortable for hours. Perfect for spending the whole day in, on, or around water. The earplugs are also easy to insert and just as easy to remove.

In short: 100% custom-made and 100% convenience!