Docu0026#39;s Proplugs are the official earplug of the USSF National Surf Team.nDoes not obstruct the canal with silicon which is not recommended by the physicians, instead fits in the auricle to ensure ear protection and safety.nNo messy sticky putty lost in ear.nPrevents Surfers ear, also known as exostotis which may lead to costly surgery and deafness.n" Doc's Proplugs are crucial for surfing. I've been using them for 10 years and I never go into the water without them. Without Proplugs you will develop surfers ear and then need your ears to be drilled." - (pro-surfer) Jason 'Ratboy' Collins