SurfEars, earplugs that let sound in and keep water out. They come with changeable parts in different sizes that allow you to customize them for your ears in order to Finsd a comfortable and secure fit.

Let Sound in - Keep water out.

According to Surfears website, independent tests show that SurfEars® have far superior performance compared to other ear plugs.
SurfEars® have close to zero acoustic loss in the frequency range of human speech while the best competitor cuts away about 20-30dB.
To give you a reference, 30dB is roughly the difference between the loudest and lowest volume setting on your smartphone.
That's a pretty big difference!